Observe (3)

'observe' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for eye that I've seen before include "Glance" , "Observe narrowly" , "Centre of storm" , "'Public' or 'private' body part" , "centre, of a sort" .)
'observe' is the definition.
(I've seen this in other clues)
This is the entire clue.
(Other definitions for see that I've seen before include "Diocese of a bishop" , "responsibility of a bishop" , "Observe the bishop's domain" , "Salisbury, for one" , "Check" .)
'observe' is the definition.
(I know that spy is a type of monitor)
This is all the clue.
(Other definitions for spy that I've seen before include "Secret agent of government" , "Glimpse" , "One who collects secret information as for government" , "Person who secretly collects information as for government" , "Notice" .)
'observe' is the definition.
(I know that observe can be written as watch)
This is the entire clue.
(Other definitions for watch that I've seen before include "View" , "Vigil" , "See 21" , "Timepiece - look out" , "Observe - timepiece" .)
'observe' is the definition.
(I know that observe can be written as notice)
This is the entire clue.
(Other definitions for notice that I've seen before include "Formal advice - to quit?" , "Instruction" , "Observe; advertisement" , "Notification" , "Detect" .)
'observe' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for espy that I've seen before include "Catch sight of (poetic)" , "Make out at a distance" , "Watch" , "Spot at a distance" , "Discern" .)
'observe' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for view that I've seen before include "See" , "belief" , "thinking" , "Opinion - vista" , "Aspect - prospect" .)
'observe' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for heed that I've seen before include "Pay close attention to" , "Take notice of" , "Caution" , "Be mindful of" , "Take account of" .)
'observe' is the definition.
(I know that observe can be written as note)
This is the entire clue.
(Other definitions for note that I've seen before include "Short message; tone" , "Tone of importance" , "Characteristic" , "Tone of distinction" , "mention" .)
'observe' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for spot that I've seen before include "Notice - stain - pick out" , "Fix" , "20 [MARK]" , "Identify" , "station" .)
'observe' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for gaze that I've seen before include "Steady and intent look" , "Look vacantly" , "Stare fixedly" , "Look steadily" , "A long fixed look" .)
'observe' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for witness that I've seen before include "Evidence, proof" , "Attest" , "Court testifier" , "One who saw an event, may give evidence" , "Onlooker" .)
'observe' is the definition.
(monitoring is a kind of observing)
This is all the clue.
(Other definitions for monitor that I've seen before include "Keep a check on" , "Supervise" , "Vet" , "giant lizard" , "Check on - large lizard" .)
'observe' is the definition.
(synonyms)
This is all the clue.