COMBINATORY
combinative, combinatory
(adjective) marked by or relating to or resulting from combination
combinable, combinational, combinatory
(adjective) able to or tending to combine
combinative, combinatory, combinatorial
(adjective) relating to or involving combinations
Source: WordNet® 3.1
Etymology
Adjective
combinatory (comparative more combinatory, superlative most combinatory)
Of, relating to, or derived from a combination or combinations; combinative or combinatorial.
Having the ability to combine; combinable, combinational or combining.
Source: Wiktionary