'combinatorial' definitions:

Definition of 'combinatorial'

From: WordNet
adjective
Relating to or involving combinations [syn: combinative, combinatory, combinatorial]
adjective
Relating to the combination and arrangement of elements in sets

Definition of 'combinatorial'

From: GCIDE
  • combinatorial \combinatorial\ combinatory \combinatory\adj.
  • 1. able to combine; tending to combine.
  • Note: same as combinative, 2. [Narrower terms: {integrative (vs. disintegrative)}]
  • Syn: combinative. [WordNet 1.5]
  • 2. of or relating to combinations. [Narrower terms: combinative (vs. noncombinative)] WordNet 1.5]
  • 3. produced by a process of combining; as, a combinatorial explosion of possibilities; -- used especially in reference to mathematical or statistical processes of computing possible combinations. PJC]