Discreet

Definitions: (1) good judgment in conduct; (2) unpretentious; modest; (3) capable of preserving silence; cautious; prudent; (4) able to determine hidden meanings or motive and keep them unrevealed

Derivation: Latin, “to discern,” “distinguish,” “to separate or sift apart”

Synonyms: careful, circumspect

Familial Quality: perspicacity

Saying: If you can’t say anything nice, don’t say anything at all.

Idiom: Discretion is the better part of valor.

Quote: Be discreet in all things, and so render it unnecessary to be mysterious. — Arthur Wellesley (1769–1852) 1st Duke of Wellington

Tip: Watch what you say. Before you say it, project what effect it will have on the listeners, and those who it may be within earshot.