verb (used with object), fi·na·lized, fi·na·liz·ing.
to put into final form; complete all the details of.
verb (used without object), fi·na·lized, fi·na·liz·ing.
to complete an agreement; conclude negotiations: We should finalize by the end of the week.
Also especially British, fi·na·lise.
Origin of finalize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(tr) to put into final form; settleto finalize plans for the merger
(intr) to complete arrangements or negotiations; reach agreement on a transaction
Although finalize has been in widespread use for some time, many speakers and writers still prefer to use complete, conclude, or make final, esp in formal contexts
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
Online Etymology Dictionary, © 2010 Douglas Harper