FACULTATIVELY
Etymology
Adverb
facultatively (comparative more facultatively, superlative most facultatively)
In a facultative manner
Synonyms
• optionally
Antonyms
• mandatorily
Source: Wiktionary
FACULTATIVE
Fac"ul*ta*tive, a. [L. facultas, -atis, faculty: cf. F. facultatif,
G. fakultativ.]
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.)
Definition: 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’s Unabridged Dictionary 1913 Edition