Answer: observe

AnswerCrossword Clue
observeNotice or perceive (something) and register it as being significant
OBSERVECelebrate.
OBSERVEDeclaration starting a demonstration
OBSERVELay eyes on
OBSERVESet eyes on
OBSERVEKeep one's eyes open
OBSERVEWatch closely
OBSERVEAbide by
observeMaintain (silence) in compliance with a rule or custom, or temporarily as a mark of respect
OBSERVERemark.
observeTake note of or detect (something) in the course of a scientific study
observePerform or take part in (a rite or ceremony)
observeFulfill or comply with (a social, legal, ethical, or religious obligation)
observeMake a remark or comment
observeCelebrate or acknowledge (an anniversary)
observeWatch (someone or something) carefully and attentively
observeto view (to look at)
OBSERVERegard with attention
OBSERVEWitness
OBSERVEAudit a class, say
OBSERVESee
OBSERVECheck out
OBSERVEWatch
OBSERVE"Watch closely, now ..."
OBSERVECelebrate, as a holiday
OBSERVETake note of
OBSERVEComply with
OBSERVERemark
OBSERVECommemorate
OBSERVEKeep an eye on
OBSERVENote
OBSERVENotice
OBSERVEConform to.
OBSERVETake note of.