1. the action or process of becoming habituated: "the training of the horse does not depend on force but on habituation"
▪ the diminishing of an innate response to a frequently repeated stimulus:"habituation was leading to a marked drop in arousal level in these subjects"
Word Originlate Middle English (in the sense ‘formation of habit’): from French or from Latin habitatio(n)-, from late Latin habituare (see habituate).