Practice

Merriam-Webster Online Dictionary
practice (verb)
transitive verb
1.
a) - carry out apply practice what you preach
b) to do or perform often, customarily, or habitually - practice politeness
c) to be professionally engaged in - practice medicine
2.
a) to perform or work at repeatedly so as to become proficient - practice the act
b) to train by repeated exercises - practice pupils in penmanship
3.
intransitive verb
obsolete - plot
1.
to do repeated exercises for proficiency
2.
to pursue a profession actively
3.
archaic - intrigue
4.
to do something customarily
5.
to take advantage of someone - he practised on their credulity with huge success Times Literary Supplement
practice (noun)
1.
a) actual performance or application - ready to carry out in practice what they advocated in principle
b) a repeated or customary action - had this irritating practice
c) the usual way of doing something - local practices
d) the form, manner, and order of conducting legal suits and prosecutions
2.
a) systematic exercise for proficiency - practice makes perfect
b) the condition of being proficient through systematic exercise - get in practice
3.
a) the continuous exercise of a profession
b) a professional business , especially one constituting an incorporeal property habit