Entry 2 senses Webster, 1913 Reassurance /(rē`ȧ*shṳr"ans)/ · Re·as·sur·ance · IPA /rˌiːəʃˈʊrəns/ 01 n. Assurance or confirmation renewed or repeated. 1. Assurance or confirmation renewed or repeated. 2. Same as Reinsurance.(Law) See: Reinsurance