What does "observe" mean?

Observe: He wolde no such cursedness observe. Chaucer. Must I budge Must I observe you Shak. With solemn purpose to observe Immutably his sovereign will. Milton.

Additional senses

  1. 2.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.
  2. 3.To express as what has been noticed; to utter as a remark; to say in a casual or incidental way; to remark.
  3. 4.To take notice; to give attention to what one sees or hears; to attend.
  4. 5.To make a remark; to comment; -- generally with on or upon. I have barely quoted... without observing upon it. Pope. See Remark.

Sources