Observe

Webster's Dictionary of the English Language

·vi To make a remark; to Comment;

— generally with on or upon.

II. Observe ·vi To take notice; to give attention to what one sees or hears; to Attend.

III. Observe ·vt To express as what has been noticed; to utter as a remark; to say in a casual or incidental way; to Remark.

IV. Observe ·vt To take notice of by appropriate conduct; to conform one's action or practice to; to Keep; to Heed; to Obey; to comply with; as, to observe rules or commands; to observe civility.

V. Observe ·vt To be on the watch respecting; to pay attention to; to notice with care; to See; to Perceive; to Discover; as, to observe an eclipse; to observe the color or fashion of a dress; to observe the movements of an Army.