observe

(verb) discover or determine the existence, presence, or fact of. Synonyms: detect, find, discover, notice. Examples: "She detected high levels of lead in her drinking water." "We found traces of lead in the paint."

(verb) make mention of. Synonyms: note, mention, remark. Examples: "She observed that his presentation took up too much time." "They noted that it was a fine day to go sailing."

(verb) observe with care or pay close attention to. Synonyms: note, take note. Examples: "Take note of this chemical reaction."

(verb) watch attentively. Examples: "Please observe the reaction of these two chemicals."

(verb) show respect towards. Synonyms: respect, honor, honour, abide by. Examples: "Honor your parents!."

(verb) behave as expected during of holidays or rites. Synonyms: celebrate, keep. Examples: "Keep the commandments." "Celebrate christmas." "Observe yom kippur."

(verb) follow with the eyes or the mind. Synonyms: watch, follow, watch over, keep an eye on. Examples: "Keep an eye on the baby, please!." "The world is watching sarajevo." "She followed the men with the binoculars."

(verb) stick to correctly or closely. Synonyms: keep, maintain. Examples: "The pianist kept time with the metronome." "Keep count." "I cannot keep track of all my employees."

(verb) conform one's action or practice to. Synonyms: keep. Examples: "Keep appointments." "She never keeps her promises." "We kept to the original conditions of the contract."