Synonyms of believe in in English:

believe in

See definition of believe in


1‘Lucy wasn't sure if she believed in God or not’

be convinced of the existence of, be sure of the existence of, be persuaded of the existence of, believe in the existence of

2‘she believed in the benefits of Turkish baths for slimming’

have faith in, pin one's faith on, trust in, have every confidence in, cling to, set store by, value, swear by, be convinced by, be persuaded by
subscribe to, approve of, back, support, advocate, champion
informal rate