Meaning

verb fill with high spirits; fill with optimism

verb make drunk (with alcoholic drinks)

verb have an intoxicating effect on, of a drug

originFirst attested in 1450, in Middle English; from Middle English intoxicaten, from intoxicat(e) (“(of a weapon or drug) smeared, anointed or filled with poison; (of a human being, animal) poisoned, intoxicated”, also used as the past participle of intoxicaten) + -en (verb-forming suffix), borrowed from intoxicātus, perfect passive participle of intoxicō (see -ate (verb-forming suffix)), from Late…

Etymology from Wiktionary, CC BY-SA 3.0