1. (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 rules or commands; to observe civility.

2. (v. t.) 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.

3. (v. t.) To express as what has been noticed; to utter as a remark; to say in a casual or incidental way; to remark.

4. (v. i.) To take notice; to give attention to what one sees or hears; to attend.

5. (v. i.) To make a remark; to comment; -- generally with on or upon.

abide by accommodate accommodate with accord act up to adapt adapt to adhere to adjust adjust to administer administer Communion agree with allude to animadvert assimilate to attend attend Communion attend Mass attend to attend to orders autopsy be faithful to be guided by be vigilant be watchful beat the drum behold beholder bend blow the trumpet blurt blurt out bystander call attention to canvass carry out carry through case catch sight of celebrate celebrate Mass check check out check over check up on chime in with clap eyes on commemorate comment comment upon commentate communicate complete comply comply with compose conform conform to consider contemplate conventionalize correct correspond declare defer to descry dignify discern discharge discipline discover distinguish do justice to dress ship effect effectuate enforce espy examine exclaim execute eye eyeball eyewitness fall in with fill fill out fire a salute fit follow follow the book formalize fulfill gaze at gear to give an examination glimpse go by go over hallow harken to harmonize have a looksee have in sight heed hold by hold in view hold jubilee honor implement inspect interject jubilate jubilize keep keep faith with keep in sight keep in view keep under observation ken lay eyes on let drop let fall listen to live up to look look after look at look on look over look upon looker-on maffick make make conform make good make merry make out make reference to mark meet memorialize mention mind mold monitor muse note notice obey obey the rules observer onlooker opine overhaul overlook pass over pass under review pay attention to peer at perceive peruse pick out pore over postmortem promulgate prosecute put in force put through receive the Sacrament recognize reconcile reconnoiter rectify refer to reflect regard remark remark upon remember render respect revere reverence review ritualize rub off corners run over satisfy say scan scout scrutinize see set an examination settle shape sight signalize size size up solemnize solemnly mark sound a fanfare speak spot spy spy upon state stay in line straighten study stylize submit suit survey take in take note take notice take orders take stock of take the measure tally with tend toe the line transact twig up on venerate view viewer watch watcher witness yield