discreet

adj

Etymology: From Middle English discrete, from Old French discret, from Latin discrētus, from past participle of discernere. Doublet of discrete.

1. Respectful of privacy or secrecy; exercising caution in order to avoid causing embarrassment; quiet; diplomatic.

   “With a discreet gesture, she reminded him to mind his manners.”

   “John just doesn't understand that laughing at Mary all day is not very discreet.”

2. Not drawing attention, anger or challenge; inconspicuous.