- (transitive) To notice or view, especially carefully or with attention to detail.
"From this vantage point we can observe the behavior of the animals in their natural habitat."
- (intransitive) To comment on something; to make an observation.
"The senator observed that the bill would be detrimental to his constituents."
- (transitive) To follow or obey the custom, practice, or rules (especially of a religion).
"Please observe all posted speed limits."