notice-v; 2 Senses

Sense Number 1: observe, perceive or become aware of something

Did you notice what he had in his hand?
I noticed that he avoided mentioning her name.
Mary waved at the man but he didn't seem to notice.
Starting in 1987, scientists noticed large drops in the amount of phytoplankton.
Her musical talent was first noticed by the critics at the age of 12.

VerbNet: see-30.1-1-1
FrameNet: Becoming_aware
PropBank: notice.01
WordNet 3.0 Sense Numbers: 1, 2, 4

Sense Number 2: bring to attention; give notice or announce

The Solicitor General noticed the court of a change in Justice Department police.
The foundation noticed the Council of the new approach.

VerbNet: NM
FrameNet: NM
PropBank: NM