facultative

1. adj. of or relating to the mental faculties Source: wordnet

2. adj. able to exist under more than one set of conditions Source: wordnet

3. adj. granting a privilege or permission or power to do or not do something Source: wordnet

4. adj. optional Source: wordnet

5. 1. Having relation to the grant or exercise faculty, or authority, privilege, license, or the like hence, optional; as, facultative enactments, or those which convey a faculty, or permission; the facultative referendum of Switzerland is one that is optional with the people and is necessary only when demanded by petition; facultative studies; -- opposed to obligatory and compulsory, and sometimes used with to. 2. Of such a character as to admit of existing under various forms or conditions, or of happening or not happening, or the like; specif.: (Biol.) Having the power to live under different conditions; as, a facultative parasite, a plant which is normally saprophytic, but which may exist wholly or in part as a parasite; -- opposed to obligate. 3. (Physiol.) Pertaining to a faculty or faculties. In short, there is no facultative plurality in the mind; it is a single organ of true judgment for all purposes, cognitive or practical. J. Martineau. Source: webster

6. Having the power to live under different conditions; as, afacultative parasite, a plant which is normally saprophytic, butwhich may exist wholly or in part as a parasite; -- opposed toobligate. Source: adambom

7. j:100 a. of or relating to the mental faculties a. able to exist under more than one set of conditions s. granting a privilege or permission or power to do or not do something Source: ecdict

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