Subserve

v. t.	1.	To serve in subordination or instrumentally; to be subservient to; to help forward; to promote. [imp. & p. p. Subserved ; p. pr. & vb. n. Subserving.] It is a great credit to know the ways of captivating Nature, and making her subserve our purposes, than to have learned all the intrigues of policy. - Glanvill.
v. i.	1.	To be subservient or subordinate; to serve in an inferior capacity. Not made to rule, But to subserve where wisdom bears command. - Milton.

Verb

1.

subserve - be helpful or useful

act for, advance, assist, be found wanting, be inferior, be instrumental, come short, conduce to, contribute to, decide, determine, facilitate, fail, fall short, follow, forward, go between, have nothing on, influence, lead to, mediate, minister to, not approach, not come near, not compare, not hack it, not make it, not measure up, play second fiddle, promote, rank under, redound to, serve, turn the scale, want