CONCUR, conduce, conspire, contribute; agree, unite, harmonize, hitch [colloq.], jibe [colloq., U. S.], coadunate, combine; hang -, pull- together &c. (coöperate) [See Coöperation]; help to (aid) [See Aid].
keep pace with, run parallel; go with, go along with, go hand in hand with.
ADJECTIVE:
CONCURRING &c. v.; concurrent, conformable, corresponsive [rare], joint, coöperative, concomitant, coincident, concordant, harmonious, consentaneous [archaic]; coadunate, coadunative, consilient, in alliance with, banded together, of one mind, at one with.
