(lexical) research, scholarly or learned investigation

debatable, subject to discussion

discussion and argument, discourse, dialogue

discussion and argument, discourse, dialogue

discussions, conflicts, arguments, debate, dialogue

a dispute to befall

discuss, argue or quarrel

altercation, argumentation, controversy

argue, discuss

to create a debate, to create a dialogue

gag, put hold to an argument

according to

smiling, laughing, rejoicing

under discussion, argument

quibbler, hyper-critic, argumentative, quarrelsome, disputatious, bickering, wrangling, cantankerous, contentious, polemical

theoretical discussion

topic of discussion

bring under discussion

meaningless or useless discussion, pointless discussion