Douglas Harper's Etymology Dictionary
synergize
1881; see synergy + -ize. Related: Synergized; synergizing.
Wiktionary
synergize
vb. To act as a synergetic agent
Usage examples of "synergize".
It was this phane sense that enabled him to be shown things from apparently unrelated facts and events and synergize them into a whole.
Mentoring is essentially social and draws primarily upon self-awareness as manifested in respecting others, understanding others, empathizing and synergizing with others.
He'd always loved just being in a theater, watching all the sundry activities that synergized to bring a production to term.
Severin is right about there being a huge coercive surplus in our setup and I think the synergized redactive quotient of the seven of us should suffice to integrate Grandpère.