Definition of "believe" in English

verb

1. (transitive) To accept as true, particularly without absolute certainty (i.e., as opposed to knowing).

   • If you believe the numbers, you'll agree we need change.
   • I believe there are faeries.

2. (transitive) To accept that someone is telling the truth.

   • Why did I ever believe you?

3. (intransitive) To have religious faith; to believe in a greater truth.

   • After that night in the church, I believed.

4. (transitive) To opine, think, reckon.

   • Do you think this is good? —Hmm, I believe it's okay.

5. [with in]