WordWeb Online

1. Marked by prudence or modesty and wise self-restraint
   "his trusted discreet aide"; "a discreet, finely wrought gold necklace"
    
2. Unobtrusively perceptive and sympathetic
   "a discreet silence"
   - discerning
    
3. Heedful of potential consequences
   "a discreet investor"
   - circumspect

Sounds like: discrete

See also: discreetly, discreetness, indiscreetly, prudent, tactful

Antonym: indiscreet

Encyclopedia: Discreet