The Collaborative International Dictionary of English v.0.48:
Amnestic \Am*nes"tic\, a. 1. Causing loss of memory. [1913 Webster] 2. Of or pertaining to amnesia. [PJC]The Collaborative International Dictionary of English v.0.48:
amnestic \am*nes"tic\ ([a^]m*n[e^]s"t[i^]k), n. A drug causing loss of memory. --Stedman. [PJC]WordNet (r) 3.0 (2006):
amnestic adj 1: of or relating to or caused by amnesia [syn: amnestic, amnesic]