Entry 3 senses Webster, 1913 combinatory · IPA /ˈkɑm.bə.nəˌtɔɹ.i/ 01 adj. same as combinatorial, 1. 1. same as combinatorial, 1. See: combinatorial 2. able to be combined. 3. same as combinatorial, 2. See: combinatorial Syn. combinative, combinatorial. — Syn. -- combinable, combinational, combining(prenominal). — Syn. -- combinatorial.