Expressing desire or wish. Fuller. [1913 Webster]

1.  Something to be desired. Bacon. [1913 Webster]

2.  The optative mood; also, a verb in the optative mood. [1913 Webster]

optative, adj. & n. Gram.
--adj. expressing a wish.
--n. the optative mood.

Idiom:
optative mood a set of verb-forms expressing a wish etc., distinct esp. in Sanskrit and Greek.

Derivative:
optatively adv.

Etymology:
F optatif -ive f. LL optativus (as OPT)

N  desire, wish, fancy, fantasy, want, need, exigency, mind, inclination, leaning, bent, animus, partiality, penchant, predilection, propensity, willingness, liking, love, fondness, relish, longing, hankering, inkling, solicitude, anxiety, yearning, coveting, aspiration, ambition, vaulting ambition, eagerness, zeal, ardor, empressement, breathless impatience, overanxiety, impetuosity, appetite, appetition, appetence, appetency, sharp appetite, keenness, hunger, stomach, twist, thirst, thirstiness, drouth, mouthwatering, itch, itching, prurience, cacoethes, cupidity, lust, concupiscence, edge of appetite, edge of hunger, torment of Tantalus, sweet tooth, lickerish tooth, itching palm, longing eye, wistful eye, sheep's eye, greed, voracity, passion, rage, furore, mania, manie, inextinguishable desire, dipsomania, kleptomania, lover, amateur, votary, devotee, aspirant, solicitant, candidate, applicant, supplicant, cormorant, desideratum, want, a consummation devoutly to be wished, attraction, magnet, allurement, fancy, temptation, seduction, fascination, prestige, height of one's ambition, idol, whim, whimsy, whimsey, maggot, hobby, hobby-horse, Fortunatus's cap, wishing cap, wishing stone, wishing well, desirous, desiring, inclined, partial to, fain, wishful, optative, anxious, wistful, curious, at a loss for, sedulous, solicitous, craving, hungry, sharp-set, peckish, ravening, with an empty stomach, esurient, lickerish, thirsty, athirst, parched with thirst, pinched with hunger, famished, dry, drouthy, hungry as a hunter, hungry as a hawk, hungry as a horse, hungry as a church mouse, hungry as a bear, greedy, unsatisfied, unsated, unslaked, unsaturated, eager, avid, keen, burning, fervent, ardent, agog, all agog, breathless, impatient, bent on, intent on, set on, bent upon, intent upon, set upon, mad after, enrage, rabid, dying for, devoured by desire, aspiring, ambitious, vaulting, skyaspiring, high-reaching, desirable, desired, in demand, pleasing, appetizing, appetible, tantalizing, wistfully, fain, Int, would that, would that it were!, O for!, esto perpetual, the wish being father to the thought, sua cuique voluptas, hoc erat in votis, the mouth watering, the fingers itching, aut Caesar aut nullus, Cassius has a lean and hungry look, hungry as the grave, I was born to other things, not what we wish but what we want, such joy ambition finds, the sea hath bounds but deep desire hath none, ubi mel ibi apes.