adjective . 1. adequate to accomplish a purpose; producing the intended or expected result: effective teaching methods; effective steps toward peace.

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Synonyms of effective at Thesaurus.com. effective definitions and translations. Crossword and puzzle games.

An effective dose in pharmacology is the amount of drug that produces a therapeutic response in 50% of the people taking it, sometimes also called ED-50.

The effective interest rate, effective annual interest rate, Annual Equivalent Rate (AER) or simply effective rate is the interest rate on a loan or financial product restated from ...