Synonyms of 'effectual'

able, active, actual, adequate, authoritative, banausic, binding, capable, causal, causative, certain, certified, charismatic, charming, competent, conclusive, confirmed, consequential, constitutive, decisive, determinative, determined, documentary, effective, efficacious, efficient, enchanting, functional, go, historical, important, institutive, magnetic, occasional, operable, operational, operative, originative, personable, persuasive, potent, practicable, practical, pragmatic, productive, proficient, real, Sound, strong, sure-enough, telling, toothy, true, truthful, undoubted, unmistaken, unquestionable, verified, veritable, weighty, winning, workable, substantial, reputable, prestigious, powerful, pivotal, momentous, legal, lawful, influential, formative, forcible, forceful, feasible, factual, etiological, estimable, veracious, valid, useful, undenied