Occurrence (5)
'occurrence' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for event that I've seen before include "'Occurrence, occasion (5)'" , "Planned public or social occasion" , "Something that happens - part of a programme?" , "Occasion; sports contest" , "Meeting" .)
'occurrence' is the definition.
(episode is a kind of occurrence)
This is the entire clue.
(Other definitions for episode that I've seen before include "One part of a series" , "Musical passage" , "Distinctive happening" , "Set of incidents" , "One of a related series of events" .)
'occurrence' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for happening that I've seen before include "Event, occurrence" , "Coming to pass, occurring" .)
'occurrence' is the definition.
(instance is a kind of occurrence)
This is all the clue.
(Other definitions for instance that I've seen before include "An insect (anag.)" , "Case - isn't acne (anag)" , "Canniest (anag) - occurrence" , "Specimen" , "Case or example from ancients" .)
'occurrence' is the definition.
(incident is a kind of occurrence)
This is all the clue.
(Other definitions for incident that I've seen before include "Mishap - occurrence" , "Public disturbance" , "Distinct event" , "Confrontation" , "Minor event or occurrence" .)