Dictionary & Thesaurus

soundness

1.	(noun) a state or condition free from damage or decay
	Related Words: airworthiness, condition, fitness, seaworthiness, status
	Antonyms: unsoundness

2.	(noun) the firmness and tone of healthy tissue: "his muscle firmness"
	Synonyms: firmness
	Related Words: strength

3.	(noun) the quality of being prudent and sensible
	Synonyms: wisdom, wiseness
	Related Words: advisability, good, goodness, reasonableness