From Longman Dictionary of Contemporary Englishschmoozeschmooze /ʃmuːz/ verb [intransitive] informal TALK TO somebodyto talk in a friendly way about unimportant things at a social event, especially because you want to gain an advantage for yourself laterschmooze with Politicians spent much of their time schmoozing with contributors.→ See Verb table
Examples from the Corpus
schmooze• Lobbyists indulged in a little quiet schmoozing.• But putts and drives will play second fiddle to schmoozing when top sports celebrities take center stage at the golf club.• Leno spent time schmoozing with local TV executives.Origin schmooze (1800-1900) Yiddish shmuesn “to talk”