abandon
amnesty
careless abandon
carelessness
casualness
cursoriness
disregardfulness
easiness
forget
forgetfulnes
forgetness
forgetting
hastiness
heedlessness
inattention
inconsiderateness
inconsideration
indifference
insouciance
lack of foresight
laziness
lethe
limbo
oblivion
obliviousness
obliviscence
offhandedness
perfunctoriness
recklessness
regardlessness
sprezzatura
tactlessness
thoughtlessness
unaccommodatingness
unheedfulness
unhelpfulness
unmindfulness
unobligingness
unpreparedness
unreadiness
unsolicitousness
unsolicitude
unthinkingness
unthoughtfulness
apathy
blindness
contentment
disregard
distraction
ingratitude
insensibility
lethargy
levity
madness
misunderstanding
neglect
obscurity
relaxation
tranquillity
unconcern
unconsciousness