Quick definitions from WordNet (observe)
▸ verb: watch attentively ("Please observe the reaction of these two chemicals")
▸ verb: celebrate, as of holidays or rites ("Observe Yom Kippur")
▸ verb: conform one's action or practice to
▸ verb: observe correctly or closely
▸ verb: discover or determine the existence, presence, or fact of
▸ verb: follow with the eyes or the mind
▸ verb: make mention of ("She observed that his presentation took up too much time")
▸ verb: observe with care or pay close attention to
▸ verb: show respect towards
▸ Also see observe
▸ verb: watch attentively ("Please observe the reaction of these two chemicals")
▸ verb: celebrate, as of holidays or rites ("Observe Yom Kippur")
▸ verb: conform one's action or practice to
▸ verb: observe correctly or closely
▸ verb: discover or determine the existence, presence, or fact of
▸ verb: follow with the eyes or the mind
▸ verb: make mention of ("She observed that his presentation took up too much time")
▸ verb: observe with care or pay close attention to
▸ verb: show respect towards
▸ Also see observe