Psychological research generally distinguishes adaptive acceptance (acknowledging reality, including painful emotions, limitations, loss and uncertainty, without surrendering the possibility of meaningful action) from maladaptive resignation, in which perceived helplessness, hopelessness or passive submission undermines agency and prevents change.

Several influential traditions illuminate this distinction: Carl Rogers (1951) argued that psychological growth is facilitated by a therapeutic relationship characterised by empathy, congruence and unconditional positive regard, enabling people to acknowledge rather than defensively deny their experience; Viktor Frankl (1963), drawing on his experiences of Nazi concentration camps, maintained that although people cannot always control their circumstances, they may retain freedom to choose their attitude and discover meaning in unavoidable suffering, while his approach should not be taken to imply that suffering is necessary or that victims are responsible for their circumstances.

Martin Seligman’s (1975) theory of learned helplessness, subsequently reformulated with Steven Maier and James Peterson (1993), demonstrated how exposure to uncontrollable adverse events can undermine subsequent attempts to escape or change them. This provides an important contrast with acceptance, because recognising an unchangeable reality need not mean generalising helplessness to situations where action remains possible. In cognitive therapy, Aaron Beck (1976) emphasised the role of negatively biased interpretations in depression, while Albert Ellis (1962) challenged rigid, absolutist beliefs that intensify distress. Both approaches suggest that acceptance of reality need not entail unquestioning acceptance of every interpretation of it. Within Acceptance and Commitment Therapy (ACT), Steven Hayes, Kirk Strosahl and Kelly Wilson (1999) conceptualised acceptance as willingness to experience unwanted thoughts, feelings and bodily sensations without fruitlessly struggling to eliminate them, while pursuing personally meaningful values through committed action. Psychological flexibility, rather than passive endurance or the mere reduction of unpleasant feelings, is the central goal.

Marsha Linehan’s (1993) Dialectical behaviour Therapy (DBT) similarly integrates acceptance and change, teaching radical acceptance of facts that cannot presently be altered while preserving efforts to change circumstances that can be improved. Experimental findings from Segal et al. (2023) suggest that practising radical acceptance can also improve the ability to use cognitive reappraisal.

In complementary empirical research, Brett Ford and colleagues (2018) found across laboratory, diary and longitudinal studies that habitual nonjudgmental acceptance of negative thoughts and emotions was associated with better psychological health, partly because it reduced the tendency for negative emotional reactions to escalate. A later meta-analysis by Jenna Macri and Ronald Rogge (2024), covering 67 studies and 9,123 participants, found that ACT interventions increased psychological flexibility and reduced inflexibility, with changes associated with reduced psychological distress.

From a Christian perspective, healthy acceptance can be understood as truthful acknowledgement of human finitude, suffering and dependence on God, rather than fatalism, despair or acquiescence to injustice. The Biblical distinction is evident in Jesus’ prayer in Gethsemane: “not my will, but thine, be done” (Luke 22:42), which combines honest anguish with trust and willing obedience, and in St Paul’s affirmation that he has learned contentment in changing circumstances (Philippians 4:11–13), which does not imply indifference to suffering or neglect of responsibility. The Book of Job portrays faithful questioning and lament rather than simplistic acceptance, while Romans 12:2 calls for the transformation of the mind, suggesting that Christian acceptance includes discernment and moral change.

In the Eastern Orthodox tradition, these themes are illuminated by the distinction between humble surrender to God’s providence and passive submission to evil: nepsis (spiritual watchfulness) involves awareness of thoughts and impulses rather than automatic identification with them, while apatheia, as developed in the ascetical tradition of Evagrius Ponticus and St John Cassian, refers not to emotional numbness but to freedom from the domination of disordered passions. St Maximus the Confessor’s account of human freedom and the healing of the will, and St John Chrysostom’s reflections on suffering and virtue, further situate acceptance within a relational, transformative vision of human life. Orthodox theosis (participation by grace in the divine life) is not resignation to whatever happens, but transformation through communion with God, repentance, love and active cooperation with divine grace. This perspective resonates with psychological flexibility while differing from secular therapeutic models in its theological understanding of the person, suffering, salvation and ultimate purpose.

Christian acceptance therefore means neither denying grief nor treating abuse, injustice or preventable suffering as divinely mandated. It means receiving reality truthfully, grieving what is lost, discerning what can be changed, acting with love where action is possible, and entrusting what remains beyond one’s control to God. Psychology can investigate the associations between these attitudes and mental health, but theological claims about providence, grace and theosis belong to a broader spiritual framework that empirical studies alone cannot establish.