What does it mean to dream about trust?
Trust in a dream usually reflects a sense of safety with someone or something, and who you leaned on can point to where you feel secure or wish to.
Four ways to read it
Each reading below comes from a named tradition and a cited source, so you can see where it came from and decide what fits your dream.
Freud
Freud would read trust as feeling rooted in the earliest bonds, the safety first known in being cared for. He held that the willingness to rely on another draws on patterns laid down long ago. The ease may mark a wish to be held without fear.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung would see trust as a relation between parts of the self as much as between people, the ego at ease with what lies deeper. He treated such confidence as a sign of inner cooperation. The feeling can mark a faith in one's own ground.
Jungian concept (our summary).Modern
Continuity research ties dream trust to waking relationships and the people we feel safe with. Some accounts suggest dreaming keeps our bonds in view, testing closeness and reliance. The feeling is worth reading against who you lean on in waking life.
Continuity hypothesis (our summary).Mythological
Myth set trust at the heart of the sacred bond, the oath sworn before the gods, the guest and host who pledged faith to one another. To break such trust was to call down ruin. Across cultures the kept promise held the social and divine order together.
Rosmerta Publishing editorial synthesis (after Bulfinch; Brewer).