- An example of something effectual is a bet about losing weight causing someone to stick to a diet.
- An example of something effectual is a binding lease that keeps someone from being evicted.
- producing, or able to produce, the desired effect
- having legal force; valid
Origin of effectualMiddle English ; from Old French effectuel ; from Medieval Latin effectualis
Origin of effectualMiddle English effectuel, from Old French, from Late Latin effectualis, from Latin effectus, result, effect; see effect.
(comparative more effectual, superlative most effectual)
From Old French effectuel, from Late Latin effectualis.