'observe' definitions:

Definition of 'observe'

(from WordNet)
verb
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" [syn: detect, observe, find, discover, notice]
verb
Make mention of; "She observed that his presentation took up too much time"; "They noted that it was a fine day to go sailing" [syn: note, observe, mention, remark]
verb
Observe with care or pay close attention to; "Take note of this chemical reaction" [syn: note, take note, observe]
verb
Watch attentively; "Please observe the reaction of these two chemicals"
verb
Show respect towards; "honor your parents!" [syn: respect, honor, honour, abide by, observe] [ant: disrespect]
verb
Behave as expected during of holidays or rites; "Keep the commandments"; "celebrate Christmas"; "Observe Yom Kippur" [syn: observe, celebrate, keep]
verb
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" [syn: watch, observe, follow, watch over, keep an eye on]
verb
Stick to correctly or closely; "The pianist kept time with the metronome"; "keep count"; "I cannot keep track of all my employees" [syn: observe, keep, maintain]
verb
Conform one's action or practice to; "keep appointments"; "she never keeps her promises"; "We kept to the original conditions of the contract" [syn: observe, keep] [ant: breach, break, go against, infract, offend, transgress, violate]

Synonyms of 'observe'

From: Moby Thesaurus