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effective annual interest rate
effective annual yield
effective call price
effective circulation
effective date
effective duration
effective edge
effective margin
effective spread
effective striking price
effective tariff rate
effectively
effector
effects-based
effects box
effectual
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efficacious

ef·fi·ca·cious [ èffi káyshəss ]


adjective 
Definition:
 
able to effect something: having the power to produce a desired result, especially an improvement ( formal )

[Early 16th century. < Latin efficac-< efficere (see effect)]

ef·fi·ca·cious·ly adverb
ef·fi·ca·cious·ness noun

Word Key: Synonyms

See effective.

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