discreet

(a) marked by prudence or modesty and wise self-restraint
- his trusted discreet aide
- a discreet, finely wrought gold necklace
(s) unobtrusively perceptive and sympathetic
- a discerning editor
- a discreet silence
discerning,
(s) heedful of potential consequences
- circumspect actions
- physicians are now more circumspect about recommending its use
- a discreet investor
circumspect,

discerning circumspect

indiscreet

discrete

discreetly discreetness