accept (something) as true; feel sure of the truth of.
"the superintendent believed Lancaster's story"
synonyms: be convinced by, trust, have confidence in, consider honest, consider truthful More
accept the statement of (someone) as true.
"he didn't believe her or didn't want to know"
have faith, especially religious faith.
"there are those on the fringes of the Church who do not really believe"
feel sure that (someone) is capable of a particular action.
"I wouldn't have believed it of Lois—what an extraordinary woman!"
2.
hold (something) as an opinion; think or suppose.