per·form vt
1: to adhere to and fulfill the terms of
perform an obligation
2: to carry out or bring about
perform the work according to design
3: to do according to prescribed ritual or law
perform a marriage ceremony
4: to give a public rendition or presentation of
perform a copyrighted play
vi
1: to adhere to and fulfill the terms of a contract, promise, or obligation
failed to perform under the agreement
2: to carry out or present something
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.