prosecute (
http://definr.com/prosecute)
v 1: conduct a prosecution in a court of law
2: bring a criminal action against (in a trial): "The State of
California prosecuted O.J. Simpson" [ant:
defend]
3: carry out or participate in an activity; be involved in;
"She pursued many activities"; "They engaged in a
discussion" [syn:
engage,
pursue]