D defs.my
Entry 5 senses · 2 variants Webster, 1913

Observe

/(ŏb*zẽrv")/ · Ob·serve · IPA /əbˈzɝv/
01 v. t. 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…
imp. & p. p. Observed; p. pr. & vb. n. Observing
  1. 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.” — Ex. xii. 17.
    “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.
  2. 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. 3.
    To express as what has been noticed; to utter as a remark; to say in a casual or incidental way; to remark.
02 v. i. To take notice; to give attention to what one sees or hears; to attend.
  1. 1.
    To take notice; to give attention to what one sees or hears; to attend.
  2. 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.” Pope.
Syn. To remark. See Remark.