Entry 2 senses · 2 variants Webster, 1913 Fitting /fĭt'-ĭng/ · Fit·ting · IPA /ˈfɪtɪŋ/ n. a. 01 n. Anything used in fitting up 1. Anything used in fitting up 02 a. Fit; appropriate; suitable; proper. 1. Fit; appropriate; suitable; proper.