(n) the condition of being something that is useful in reaching an end or carrying out a plan, Example:all his actions were in subservience to the general plan
{ } n. The quality or state of being subservient; instrumental fitness or use; hence, willingness to serve another's purposes; in a derogatory sense, servility. [ 1913 Webster ]
The body wherein appears much fitness, use, and subserviency to infinite functions. Bentley. [ 1913 Webster ]
There is a regular subordination and subserviency among all the parts to beneficial ends. Cheyne. [ 1913 Webster ]