verb, -lieved, -liev⋅ing.| 1. | to have confidence in the truth, the existence, or the reliability of something, although without absolute proof that one is right in doing so: Only if one believes in something can one act purposefully. |
| 2. | to have confidence or faith in the truth of (a positive assertion, story, etc.); give credence to. |
| 3. | to have confidence in the assertions of (a person). |
| 4. | to have a conviction that (a person or thing) is, has been, or will be engaged in a given action or involved in a given situation: The fugitive is believed to be headed for the Mexican border. |
| 5. | to suppose or assume; understand (usually fol. by a noun clause): I believe that he has left town. |
| 6. | believe in,
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| 7. | make believe. make (def. 46). |

be·liev·a·ble (bĭ-lē'və-bəl) adj. Capable of eliciting belief or trust. See Synonyms at plausible. be·liev'a·bil'i·ty n., be·liev'a·bly adv. |