Answer:

vigil

Answer	Crossword Clue
VIGIL	Wake
VIGIL	Watchfulness
VIGIL	Sentry's duty

VIGIL	Period of watchful attention
VIGIL	Watch
VIGIL	Night watch
VIGIL	Bedside watch
VIGIL	Watch word?
VIGIL	Surveillance period
VIGIL	Period of watchfulness
VIGIL	Watchful attention

VIGIL	Sentry's watch
VIGIL	Close watch
VIGIL	Wakeful attention.
VIGIL	Watch by night.
VIGIL	Watch.
VIGIL	Watch kept.
VIGIL	Period of wakefulness.
VIGIL	Period of wakefulness

VIGIL	Long watch
VIGIL	Lookout
VIGIL	Prayer ...
VIGIL	Candlelight event, perhaps
VIGIL	Candlelight event
VIGIL	Candlelit ceremony
VIGIL	Surveillance
VIGIL	Period of watching

VIGIL	Night watchman's duty
VIGIL	Candlelight ceremony
VIGIL	Candlelight ceremony of a sort
VIGIL	It might be done by candlelight
VIGIL	One may be held by candlelight