debate

[1]	argue , wrangle , dispute , contest , contend , discuss , moot , question
[2]	deliberate , consider , moot , consider , reflect (on) , turn over , deliberate , mull over , ponder (over) , weigh , ruminate (over) , meditate (on/over) , think (over/on) , think through
[3]	deliberate
[4]	argue , contend , fence

[1]	discussion , argument , dispute , altercation , controversy , wrangle , contention , polemic , argumentation
[2]	deliberation , disputation , consideration , public debate , (careful) thought , reflection , cogitation , meditation , contemplation