col·or·a·ble \ˈkəl(ə)rəbəl\adjective Etymology: Middle English, from Middle French colorable, from color + -able 1.: seemingly valid and genuine : having an appearance of truth, right, or justice : plausible < any colorable pretext for refusing — Bertrand Russell > 2.: feigned, factitious, counterfeit < colorable and false pretenses > • col·or·a·bly\-blē, -bli\adverb