2 : marked by the exercise of good judgment or common sense in practical matters; "judicious use of one's money"; "a wise decision"
3 : exercising or showing good judgment; "healthy scepticism"; "a healthy fear of rattlesnakes"; "the healthy attitude of French laws"; "healthy relations between labor and management"; "an intelligent solution"; "a sound approach to the problem"; "sound advice"; "no sound explanation for his decision"
adjectif
1 : showing reason or sound judgment
2 : marked by artful prudence, expedience, and shrewdness