happyologist
cheer up
pick-me-up
felicity
chirk
pleasure
delight
joy
a good look
treat
lift someone's spirits
make someone's day
put on one's dancing shoes
warm the cockles of someone's heart
dolorifuge
raise someone's spirits
ray of sunshine
welcomer
passport
tranquilizing
for one's liking
unfrighten
cheer
consolator
welfare
lift up
Edenize
amenity
egoboost
benefit
good news
sugarcoat the pill
take someone's breath away
thoughtfully
improver
quiet down
quieten down
mercy
stimulant
beneficial
leg
yay
warmhearted
facilitator
self-satisfying
praise the Lord
unscare
enhancer
get out of jail free card
do someone's heart good