still
lull
calm
quieten
tranquillise
calm down
tranquilize
quiet
tranquillize
keep one's pants on
undisturbed
calmative
stilly
lown
level
equanimous
calmish
keep one's hair on
calmen
self-possession
keep one's shirt on
calmness
keep one's knickers on
encalm
pacific
take a breath
salve
bestill
tranquillizingly
unflustered
calmy
pacifyingly
calm your farm
placid
reposed
undisturbedly
keep a cool head
jam one's hype
unpanicked
calmingly
unfrenzied
easy does it
have one's wits about one
sile
smooth
keep one's head
slow one's roll
quiesce
chillax
let go