Entry 1 sense Webster, 1913 Climatize · Cli·ma·tize · IPA /ˈklaɪ.mɪtaɪz/ 01 v. t. & i. To acclimate or become acclimated. imp. & p. p. Climatized; p. pr. & vb. n. Climatizing 1. To acclimate or become acclimated.