conform one's action or practice to
"she never keeps her promises"
"We kept to the original conditions of the contract"
stick to correctly or closely
"The pianist kept time with the metronome"
"I cannot keep track of all my employees"
follow with the eyes or the mind
"Keep an eye on the baby, please!"
"The world is watching Sarajevo"
"She followed the men with the binoculars"
- watch over - keep an eye on
behave as expected during of holidays or rites
"Keep the commandments"
"Observe Yom Kippur"
show respect towards
"honor your parents!"
- abide by
"Please observe the reaction of these two chemicals"
observe with care or pay close attention to
"Take note of this chemical reaction"
- take note
make mention of
"She observed that his presentation took up too much time"
"They noted that it was a fine day to go sailing"
discover or determine the existence, presence, or fact of
"She detected high levels of lead in her drinking water"
"We found traces of lead in the paint"