What is another word for "could"?

Roget's Thesaurus (1911) lists these synonyms for "could": about, all, aloof, anaphrodisia, anaphrodisiac, and, anorexia, anorexy, antaphrodisiac, any, anything, apathy, aught, awful, better, care, careless, cold, coldness, cool, cucumber, dead, deathlike, desire, disdain, doubt, drop, earnestness, est, faint, feather, fig, fool, for, frigid, grave, half-hearted, have, hear, hold.