Answer: HASUP

AnswerCrossword Clue
HASUPBrings to one's apartment
HASUPBrings into court
HASUPHosts, as guests from downstairs
HASUPWelcomes at the penthouse
HASUPWelcomes to the penthouse
HASUPEntertains in one's apartment
HASUPInvites to one's apartment
HASUPEntertains in one's condo
HASUPInvites to one's apartment, say
HASUPInvites to the penthouse