%conduce%

v. i. [ imp. & p. p. Conduced p. pr. & vb. n. Conducing. ] [ L. conducere to bring together, conduce, hire; con- + ducere to lead. See Duke and cf. Conduct, n., Cond. ] To lead or tend, esp. with reference to a favorable or desirable result; to contribute; -- usually followed by to or toward. [ 1913 Webster ]

He was sensible how much such a union would conduce to the happiness of both. Macaulay. [ 1913 Webster ]

The reasons you allege do more conduce
To the hot passion of distemper'd blood. Shak.

Syn. -- To contribute; aid; assist; tend; subserve. [ 1913 Webster ]