Self-belief

n.hopeful, resilientwarm

What it means

Trust in one's worth or ability to meet a challenge.

Reach for it when naming the inner confidence that supports an attempt or recovery

Completing the first route alone restored Amara's self-belief.

everyday
confidence
when belief in ability can be stated plainly
not when Confidence may concern one task; self-belief often reaches the person's broader capacity.
warm
courage
when action despite fear is what deserves praise
not when Courage can operate while self-belief is low.
warm
optimism
when expectation of a favorable outcome matters
not when Optimism concerns the future and can exist without belief in one's own agency.
professional
morale
when confidence and spirit belong to a team or changing situation
not when Morale is collective or temporary and not an individual's settled self-belief.
professional
self-efficacy
when belief in performing a specific behavior is meant precisely
not when It is a technical term and narrower than general self-belief.
formal
assurance
when settled certainty shows in manner or decision
not when Assurance can come from external evidence rather than inner belief.
formal
conviction
when firm belief sustains a course of action
not when Conviction usually attaches to an idea or principle, not personal ability.
literary
faith
when trust persists without complete proof
not when Unqualified faith may be read as religious or directed toward another person.

build self-belief
The coach used achievable drills to build self-belief before the tournament.
renewed self-belief
One successful interview gave Neve renewed self-belief.
strong self-belief
Strong self-belief helped Karim seek feedback without hearing it as rejection.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.