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Efficacious - synonyms

Total 44 synonym synonyms found for efficacious.

able

active

adequate

authoritative

capable

charismatic

charming

competent

consequential

effective

effectual

efficient

enchanting

equal to

estimable

functional

go

important

influential

magnetic

momentous

operational

operative

personable

persuasive

potent

powerful

practical

prestigious

productive

proficient

puissant

reputable

serviceable

strong

suasive

substantial

successful

telling

up to

useful

virtuous

weighty

winning