Reverse Dictionary: EFFECTUAL

ADJECTIVES
► EFFECTFULL effectual → 1555 obs.
► OPERATORIOUS producing, or capable of producing an effect, effectual; concerned with action, practical → a1555 obs.
► OPERATORY producing an effect; effectual; concerned with action, practical → a1556 obs.

ADVERBS
► FECKLY effectually, indeed → c1680 Sc. & N. Eng. dial. obs.
► FECTUALLY effectually → c1485 obs.

NOUNS
► OPERATIVITY power to work or produce effects; effectuality, efficacy → 1909 (Bk.)

VERBS
► EFFECT to have an effect, to be effectual; to accomplish its purpose → 1592 obs.