believe
1 accept, be certain of, be convinced of, buy (slang) count on, credit, depend on, have faith in, hold, place confidence in, presume true, rely on, swallow (informal) swear by, take as gospel, take on board, trust
2 assume, conjecture, consider, gather, guess (informal, chiefly U.S. & Canad.) imagine, judge, maintain, postulate, presume, reckon, speculate, suppose, think Antonyms disbelieve, distrust, doubt, know, question
make-believe
1
n charade, dream, fantasy, imagination, play-acting, pretence, unreality
2
adj dream, fantasized, fantasy, imaginary, imagined, made-up, mock, pretend, pretended, sham, unreal
Antonyms
, n actuality, fact, reality, truthfulness
adj authentic, genuine, real, unfeigned
make believe
act as if or though, dream, enact, fantasize, imagine, play, play-act, pretend