observation

Từ điển American Heritage Dictionary 4th

ob·ser·va·tion (ŏb'zər-vāʹshən)n.
1.
a. The act or faculty of observing.
b. The fact of being observed.
2.
a. The act of noting and recording something, such as a phenomenon, with instruments.
b. The result or record of such notation:
a meteorological observation.
3. A comment or remark. See Synonyms at comment.
4. An inference or a judgment that is acquired from or based on observing. ob'ser·vaʹtion·al adj.ob'ser·vaʹtion·al·ly adv.

• Từ đồng nghĩa / Synonyms:
  notice, observance, reflection, reflexion, watching