term:

Practice

practice n

1 : the form and manner of conducting judicial and quasi-judicial proceedings
2 a : the continuous exercise of a profession
;also
: the performance of services that are considered to require an appropriate license [engaged in the unauthorized of law]
b : a professional business

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.