<p><strong>Verb</strong></p><ul><li>to give or impart knowledge of a fact or circumstance to: He informed them of his arrival.</li><li>to supply (oneself) with knowledge of a matter or subject: She informed herself of all the pertinent facts.</li><li>to give evident substance, character, or distinction to; pervade or permeate with manifest effect: A love of nature informed his writing.</li><li>to animate or inspire.</li><li>to train or instruct.</li><li>to make known; disclose.</li><li>to give or impart form to.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to give information; supply knowledge or enlightenment: a magazine that entertains more than it informs.</li></ul><p><strong>Verb phrase</strong></p><ul><li>to furnish incriminating evidence about (someone) to an authority, prosecuting officer, etc.: He informed on his accomplices.</li></ul>