discreet

adjectives

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