1. (v. t.) To serve in subordination or instrumentally; to be subservient to; to help forward; to promote.

2. (v. i.) To be subservient or subordinate; to serve in an inferior capacity.

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