ratiocinative /ˌɹæʃ.ɪˈɑ.səˌneɪ.tɪv/ adjective1 •Pertaining to or characterized by ratiocination, discursive thinking, or inferential knowledge.Only those who realise how far Intuition soars above the tardy processes of ratiocinative thought can form the faintest conception […] — 1888 formsmore ratiocinative · most ratiocinative