observation
/ˌɑːbsɚˈveɪʃən/
noun
plural -tions
[count] :a statement about something you have noticed :a comment or remark
synonyms see1remark</SYNR
[noncount] :the act of careful watching and listening :the activity of paying close attention to someone or something in order to get information
[count] :something you notice by watching and listening
[count] :a written or spoken report or description of something that you have noticed or studied
[noncount] :the act of doing what is required by a custom, rule, law, etc. :observance
usually + of
adjective
always used before a noun
designed to be used while watching people or things