Noun ability, aptitude
Synonyms: accomplishment, adequacy, attainment, attribute, capability, capacity, competence, eligibility, endowment, experience, fitness, goods, makings, might, qualifiedness, quality, skill, stuff, suitability, suitableness, what it takes
Antonyms: disqualification, inability, inaptitude, lack
Noun requirement, restriction
Synonyms: allowance, caveat, condition, contingency, criterion, essential, exception, exemption, limitation, modification, need, objection, postulate, prerequisite, provision, proviso, requisite, reservation, stipulation