happening
natural event
occurrence
occurrent
acclimatisation
alighting
ascertaining
boat-race
dead-level
disband
ennoblement
entangling
fadeout
falloff
flatulency
hallowing
inedibility
inertion
needlessness
non-success
quick-fire
ramping
reconversion
self-definition
spiritualization
synonyme
tainting
toning
unavailability