- To serve to promote (an end); to be useful to.
- 1840, Abel Upshur, A Brief Enquiry into the Nature and Character of our Federal Government, Campbell, page 69:
- Their principles will cease to be dear to them, whenever they shall cease to subserve the purposes of good order.
- To assist in carrying out.
- 'Tis 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.