Observe /(ŏb*zẽrv")/

imp. & p. p. Observed; p. pr. & vb. n. Observing

1. 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.

   Ye shall observe the feast of unleavened bread.

   He wolde no such cursedness observe.

   Must I budge? Must I observe you?

   With solemn purpose to observe Immutably his sovereign will.

2. To be on the watch respecting; to pay attention to; to notice with care; to see; to perceive; to notice; to discover; as, to observe an eclipse; to observe the color or fashion of a dress; to observe the movements of an army; to observe an accident.
3. To express as what has been noticed; to utter as a remark; to say in a casual or incidental way; to remark.

1. To take notice; to give attention to what one sees or hears; to attend.
2. To make a remark; to comment; to make an observation{3}; -- generally with on or upon.

   I have barely quoted . . . without observing upon it.