verb (used without object), li·aised, li·ais·ing.
to form a liaison.
Origin of liaise
First recorded in 1925–30; back formation from liaison
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for liaisecommunicate, contact, connect, network, collaborate, negotiate, correspond, talk, cooperate, conjoin, rally
(intr usually foll by with) to communicate and maintain contact (with)
Word Origin for liaise
C20: back formation from liaison
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
1928, back-formation from liaison. Said to be a coinage of British military men in World War I. Related: Liaised; liaising.
Online Etymology Dictionary, © 2010 Douglas Harper