Subserve

v. t. [imp. & p. p. SUBSERVED; p. pr. & vb. n. SUBSERVING.] [Lat. subservire, from prefix sub, under, and servire, to serve.] To serve in subordination or instrumentally; to be subservient to; to help forward; to promote.

It is a greater credit to know the ways of captivating Nature, and making her subserve our purposes, than to have learned all the intrigues of policy. Glanville.