OBSERVE

v. 1 obey, abide by, comply with, be heedful of, attend to, conform to, regard, keep, follow, adhere to, respect, pay attention to We observed the prohibition against swimming 2 watch, look at, examine, monitor, scrutinize, study, regard, view, inspect, pore over, contemplate, consider , Colloq check (out or up on), check over, size up, Slang case The naturalists went to the Arctic to observe the polar bears 3 see, mark, notice, look, perceive Observe how swiftly the skin forms pustules when this substance is applied 4 Sometimes, observe on or upon. comment (on or upon), remark (on or upon), mention, say, note, refer (to), make reference to, animadvert on or upon or to; state, declare It is impolite to observe on others' manners He couldn't help observing to his cell-mate how easy it would be to escape. 5 celebrate, keep, solemnize, respect, keep holy, mark, commemorate, memorialize, remember, recognize We always observe the sabbath