observation

英[ɒbzə'veɪʃ(ə)n] 美[,ɑbzɚ'veʃən]

1. the act of making and recording a measurement

2. the act of observing; taking a patient look

3. facts learned by observing;

"he reported his observations to the mayor"

4. the act of noticing or paying attention;

"he escaped the notice of the police"

5. a remark expressing careful consideration