Cooptate :: Cooptate (v. t.) To choose; to elect; to coopt.
Cooptation :: Cooptation (n.) The act of choosing; selection; choice.
Dioptase :: Dioptase (n.) A hydrous silicate of copper, occurring in emerald-green crystals..
Optable :: Optable (a.) That may be chosen; desirable.
Optate :: Optate (v. i.) To choose; to wish for; to desire.
Optative :: Optative (n.) The optative mood; also, a verb in the optative mood..
Optatively :: Optatively (adv.) In an optative manner; with the expression of desire.