tran·quil·i·ty or tran·quil·li·ty 
(trăng-kwĭlĭ-tē, trăn-)
(trăng-kwĭlĭ-tē, trăn-)n.
The quality or state of being tranquil; serenity.
- out of the woods
- out of the woodwork
- out of this world
- out-of-touch
- out of touch
- out-of-town
- out-of-towner
- out of turn
- out of wedlock
- out of whack
- out of whole cloth
- out of work
- (out) on a limb
- out on a limb
- outpace
- outpatient
- outperform
- outperformance
- outplace
- outplacement
- outplay
- outpoint
- outpoll
- outpost
- outpour