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

That conspires; plotting, acting in concert, etc.

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.

Helping another or others, co-operating.

Acting together with.

Co-operating.

= synergetic, adj.

etc.