observation
noun/ˌɒbzərˈveɪʃən/
Frequency rank: #3,573 most common English word
Meaning
The act of watching something carefully; a remark based on what is seen.

Example sentence
During her careful observation of the bird's behavior, she noticed it was gathering twigs for its nest.
Synonyms & related words
- watching
- monitoring
- examination
- scrutiny
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