n.1. a. The act of observing: observations of a rare bird.
b. The power or faculty of observing.
c. The fact of being observed: kept the suspect under observation.
2. a. The act or process of perceiving something, such as a phenomenon, often by means of an instrument, and making a record of the resulting information.
b. The result or record of such an act or process: a meteorological observation.
3. An inference, judgment, or remark that is made by observing: made some sharp observations about the movie.