(n,vs) changing one's mind
(n) diversion
change of pace
(n) airtight chamber
(adj-na,n) laziness
indolence
(n) wavering
hesitating
(n,vs) discouraged
dispirited
despondent
(n) disposition
nature
(n) depression
melancholy
(n) appearance of fear
(n) mercenary spirit
(n) air pressure (of tires)
(n) air vent (hole)
(n) vent
(n) air pocket
air hole
(n) air gun
air rifle
(n) air sac
bladder
air bag
windbag
type of inflatable air mattress
(n) air cushion
(n) air bath
(n) false or superficial prosperity
(n) (mere) bravado
(n) (electrical) relay
(n) dirigible balloon
(n) (hot)-blooded
complexion
(adj-no) anaerobic
(n) willingness (e.g. to do something)
eagerness
motivation
inspiration
determination
high aspirations
(n) live wire (a person)
(n) (1) weather (polite term)
(2) temper
mood
(n) magneto-optical
MO
(adj-na,n) easygoing
optimistic
conceited
(n) good times
boom
(wave of) prosperity
(P)