usage: 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"
usage: show respect towards; "honor your parents!"
6. observe, celebrate, keep
usage: behave as expected during of holidays or rites; "Keep the commandments"; "celebrate Christmas"; "Observe Yom Kippur"
7. watch, observe, follow, watch over, keep an eye on, check, check up on, look into, check out, suss out, check over, go over, check into
usage: 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"
8. observe, keep, maintain
usage: stick to correctly or closely; "The pianist kept time with the metronome"; "keep count"; "I cannot keep track of all my employees"
9. observe, keep
usage: conform one's action or practice to; "keep appointments"; "she never keeps her promises"; "We kept to the original conditions of the contract"
usage: discovered or determined by scientific observation; "variation in the ascertained flux depends on a number of factors"; "the discovered behavior norms"; "discovered differences in achievement"; "no explanation for the observed phenomena"