friendly
hospitable
abiogenetic
aestival
affable
agreeable
amiable
amicable
ardent
beaming
biogenetic
blastogenetic
blissful
blithe
blithesome
blood-hot
blood-warm
bonhomous
bright
bright and sunny
calid
cheerful
cheery
civil
clubbable
clubbish
clubby
communicative
companionable
companionate
compatible
complaisant
congenial
convivial
cordial
courteous
desirable
dulcet
easy
easy-natured
easygoing
elated
en rapport
enjoyable
enlivening
epigenetic
equatorial
eumerogenetic
eupeptic
euphoric
exalted
exhilarated
genian
frank
generous
gracious
humorous
jovial