<p><strong>Verb</strong></p><ul><li>(used with object) to fulfill the desires, expectations, needs, or demands of (a person, the mind, etc.); give full contentment to: The hearty meal satisfied him.</li><li>to put an end to (a desire, want, need, etc.) by sufficient or ample provision: The hearty meal satisfied his hunger.</li><li>to give assurance to; convince: to satisfy oneself by investigation.</li><li>to answer sufficiently, as an objection.</li><li>to solve or dispel, as a doubt.</li><li>to discharge fully (a debt, obligation, etc.).</li><li>to make reparation to or for: to satisfy an offended person; to satisfy a wrong.</li><li>to pay (a creditor).</li><li>Mathematics: to fulfill the requirements or conditions of: to satisfy a theorem. (of a value of an unknown) to change (an equation) into an identity when substituted for the unknown: x = 2 satisfies 3x = 6.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to give satisfaction.</li></ul>