· 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"

Synonym(s): detect, find, discover, notice

Hypernym(s): spy, sight

· make mention of; "She observed that his presentation took up too much time"; "They noted that it was a fine day to go sailing"

Synonym(s): note, mention, remark

Hypernym(s): state, say, tell

· observe with care or pay close attention to; "Take note of this chemical reaction"

Synonym(s): note, take_note

· watch attentively; "Please observe the reaction of these two chemicals"

Hypernym(s): watch

· show respect towards; "honor your parents!"

Synonym(s): respect, honor, honour, abide_by

Hypernym(s): accept

· behave as expected during of holidays or rites; "Keep the commandments"; "celebrate Christmas"; "Observe Yom Kippur"

Synonym(s): celebrate, keep

· 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"

Synonym(s): watch, follow, watch_over, keep_an_eye_on

Hypernym(s): check, check_up_on, look_into, check_out, suss_out, check_over, go_over, check_into

· stick to correctly or closely; "The pianist kept time with the metronome"; "keep count"; "I cannot keep track of all my employees"

Synonym(s): keep, maintain

· conform one's action or practice to; "keep appointments"; "she never keeps her promises"; "We kept to the original conditions of the contract"

Synonym(s): keep