facultative

fac·ul·ta·tive

adj \ˈfa-kəl-ˌtā-tiv, British -tə-tiv\

Definition of FACULTATIVE

1

a : of or relating to the grant of permission, authority, or privilege <facultative legislation> b : optional

2

: of or relating to a mental faculty

3

a : taking place under some conditions but not under others <facultative diapause> b : exhibiting an indicated lifestyle under some environmental conditions but not under others <facultative anaerobes>

— fac·ul·ta·tive·ly adverb

First Known Use of FACULTATIVE

1820

Rhymes with FACULTATIVE

aggregative, agitative, applicative, carminative, circulative, cogitative, combinative, commutative, connotative, consecrative, consultative, contemplative, copulative, corporative, denotative, dissipative, duplicative, educative, federative, generative, germinative, gravitative, imitative, implicative, innovative, instigative, integrative, irritative, iterative, legislative, limitative, meditative, meliorative, motivative, nominative, nuncupative, operative, palliative, penetrative, procreative, propagative, qualitative, quantitative, recreative, regulative, replicative, separative, terminative, vegetative