1 depending on or according with convention.
2 (of a person) attentive to social conventions.
3 usual; of agreed significance.
4 not spontaneous or sincere or original.
5 (of weapons or power) non-nuclear.
6 Art following tradition rather than nature.
Derivatives:
conventionalism n. conventionalist n. conventionality n. conventionalize v.tr. (also -ise). conventionally adv.
Etymology: F conventionnel or LL conventionalis (as CONVENTION)
Useful english dictionary. 2012.