WordWeb Online

1. Being perceived or observed
   "an easily noticed effect on the rate of growth"

1. Determine the existence, presence, or fact of
   "She noticed high levels of lead in her drinking water"
   - detect, observe, find, discover
    
2. Detect and remember; perceive with the mind
   "notice my words"
   - mark, note
    
3. Make or write a comment on
   "he noticed the paper of his colleague"
   - comment, remark, point out
    
4. Express recognition of the presence or existence of, or acquaintance with
   "He never notices his colleagues when they run into him in the hallway"
   - acknowledge

See also: detected, noticeable, noticer

Type of: mention, note, observe, react, remark, reply, respond, sight, spy

Antonym: ignore, unnoticed

Encyclopedia: Notice