(an instance of) public entertainment and feasting, usually with music and processions of people in fancy dress

outdoor celebration

friendly relationship

sociability, association

the act of rejoicing, being merry and gay; joyful celebrations

celebration, revelry

the state of being cheerful; bright appearance; joyful festive occasions

happiness, celebration

extreme niceness

extreme niceness

being friendly and generous towards guests, especially in one's own home

neighborliness