- proficiency
- n1. expertness, expertise, expertism, mastery, authority, excellence, adeptness, address, finesse, facility; adroitness, deftness, dexterousness, dexterity, skillfulness; knowledgeableness, know-how, savoir-faire, cleverness, ingenuity; capability, capableness, ability, ableness, aptness, competence, competency, efficiency; efficacy, effectiveness.2. forte, strong point, skill, talent, faculty, knack; specialty, strong suit, bailiwick, trademark, stock in trade, Sl. bag, Sl. thing.
A Note on the Style of the synonym finder. 2014.