Answer:

argue

Answer	Crossword Clue
ARGUE	Lock horns
ARGUE	Debate (with)
ARGUE	State one's case

ARGUE	Debate
ARGUE	Dispute
ARGUE	Plead one's case
ARGUE	Press the point
ARGUE	Wrangle
ARGUE	Be contentious
ARGUE	Make a case
ARGUE	Have words

ARGUE	Go at it
ARGUE	Take clashing sides
ARGUE	Quibble
ARGUE	Cross swords
ARGUE	Plead in court
ARGUE	Get contentious
ARGUE	Make a case for
ARGUE	Take issue

ARGUE	Bicker
ARGUE	Have a dispute
ARGUE	Present in court
ARGUE	Lock horns (with)
ARGUE	Participate in a debate
ARGUE	Act like Siskel and Ebert, maybe
ARGUE	Join a debate
ARGUE	Haggle

ARGUE	Quarrel
ARGUE	Squabble
ARGUE	Engage in polemics
ARGUE	Participate on a debate team
ARGUE	Say otherwise
ARGUE	Be belligerent, verbally
ARGUE	Spar verbally
ARGUE	Make one's case

ARGUE	Have a war of words
ARGUE	Plead, as a case
ARGUE	Stickle
ARGUE	Tangle (with)
ARGUE	Take issue (with)