The Collaborative International Dictionary of English v.0.48:
hallucinogenic \hal*lu"ci*no*gen`ic\ adj. 1. capable of producing hallucinations; as, LSD is a powerful hallucinogenic drug. [WordNet 1.5]WordNet (r) 3.0 (2006):
hallucinogenic adj 1: capable of producing hallucinations; "LSD is a powerful hallucinogenic drug"