effective Synonyms

efficient in force forcible efficacious in effect competent effectual energetic powerful active good the telling successful timesaving theatric toothless trenchant usable useful utile utilitarian valid subsistent strong potent practicable practical prepotent productive proficient profitable puissant punchy real remunerative rewarding sari serviceable sinewed sound statutable plenipotent validness high-tension in use functioning fail-safe motivational multipurpose