Entry 1 sense Webster, 1913 Reanimation /(rē̇*ăn"ĭ*mā"shŭn)/ · Re·an·i·ma·tion · IPA 01 n. The act or operation of reanimating, or the state of being reanimated; reinvigoration; revival. 1. The act or operation of reanimating, or the state of being reanimated; reinvigoration; revival.