Also found in: Thesaurus, Legal.
tr.v. im·pelled, im·pel·ling, im·pels
1. To urge to action through moral pressure; drive: I was impelled by events to take a stand.
2. To drive forward; propel.
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|Adj.||1.||impelling - markedly effective as if by emotional pressure; "impelling skill as a teller of tales"; "an impelling personality"|
effective, effectual, efficacious - producing or capable of producing an intended result or having a striking effect; "an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation"-LewisMumford; "effective teaching methods"; "effective steps toward peace"; "made an effective entrance"; "his complaint proved to be effectual in bringing action"; "an efficacious law"