Debate (5)
'debate' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for argue that I've seen before include "Quarrel, bicker" , "Have a difference of opinion" , "Present reasons for or against" , "express disagreement" , "Debate or disagree" .)
'debate' is the definition.
(to discuss something is to debate it)
This is all the clue.
(Other definitions for discuss that I've seen before include "Confer" , "Go into" , "Talk about (something)" , "Debate" , "Verbally T [TREAT]" .)
(Other definitions for polemic that I've seen before include "Diatribe" , "Fierce spoken or written attack" , "debate" , "Controversy; attacking speech" , "Hostile argument" .)
'debate' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for discussion that I've seen before include "when hot air's emitted?" , "Debate, conversation" , "argument" .)