Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun observation

5 senses of observation

Sense 1
observation -- (the act of making and recording a measurement)
       => measurement, measuring, measure, mensuration -- (the act or process of assigning numbers to phenomena according to a rule; "the measurements were carefully done"; "his mental measurings proved remarkably accurate")

Sense 2
observation, observance, watching -- (the act of observing; taking a patient look)
       => look, looking, looking at -- (the act of directing the eyes toward something and perceiving it visually; "he went out to have a look"; "his look was fixed on her eyes"; "he gave it a good looking at"; "his camera does his looking for him")

Sense 3
observation, reflection, reflexion -- (a remark expressing careful consideration)
       => remark, comment, input -- (a statement that expresses a personal opinion or belief or adds information; "from time to time she contributed a personal comment on his account")

Sense 4
observation -- (facts learned by observing; "he reported his observations to the mayor")
       => fact -- (a piece of information about circumstances that exist or events that have occurred; "first you must collect all the facts of the case")

Sense 5
notice, observation, observance -- (the act of noticing or paying attention; "he escaped the notice of the police")
       => attention, attending -- (the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others)