Reference meaning
efficacious
Last updated
marked by qualities giving the power to produce an intended effect
Other meanings
2. adjective
producing or capable of producing an intended result or having a striking effect
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 00838856-a, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.