Entry 1 sense Webster, 1913 Incogitativity · In·cog·i·ta·tiv·i·ty · IPA /ɪŋˌkɒd͡ʒɪtəˈtɪvɪti/ 01 n. The quality of being incogitative; lack of thought or of the power of thinking. 1. The quality of being incogitative; lack of thought or of the power of thinking.