Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

178. Concurrence — N. concurrence, cooperation, coagency†; union;

agreement &c 23; consilience†; consent, coincidence &c (assent) 488; alliance; concert, additivity, synergy &c 709; partnership &c 712. common cause. V. concur, conduce, conspire, contribute; agree, unite; hang together, pull together, join forces, make common cause. &c (cooperate) 709; help to &c (aid) 707. keep pace with, run parallel; go with, go along with, go hand in hand with, coincide. Adj. concurring &c v.; concurrent, in alliance with, banded together, of one mind, at one with, coinciding. Adv. with one consent.