Acting in conjunction; co-operating; contributing to the same effect.

Working together or to the same end; co-operating.

Having the quality or function of co-operating; working together or with others to the same end; of or pertaining to co-operation.

That concurs; concurrent.

Of two or more things: acting in conjunction. Obsolete. rare.

Cooperating to produce a result.

= synergetic, adj.

That conspires; plotting, acting in concert, etc.

Acting together to the same end; concurrent.

Involving co-ordination; consisting of a number of things of equal rank, or of a number of actions or processes properly combined for the…

= synergistic, adj. (in various senses).

Physiology. Acting together in a coordinated manner to produce a specific effect; of or relating to synergism (synergism, n. 2a).

Of, relating to, or involving synergy; resulting from or engaged in combined or cooperative action; spec. = synergistic, adj. 2.

= synergetic, adj.