noun
1.
Synonyms: order 10, condition, fettle, kilter, repair, shape, trim
2.
Synonyms: order 11, appositeness, appropriateness, aptness, expediency, meetness, propriety, rightness, suitability, suitableness
Related Word: decency, decorum, harmony
Antonyms: unfitness
3.
Synonyms: use 3, account, advantage, applicability, appropriateness, relevance, service, serviceability, usefulness, utility