discussion

n. [ L. discussio a shaking, examination, discussion: cf. F. discussion. ] 1. The act or process of discussing by breaking up, or dispersing, as a tumor, or the like. [ archaic ] [ 1913 Webster ]

2. The act of discussing or exchanging reasons; examination by argument; debate; disputation; agitation. [ 1913 Webster ]

The liberty of discussion is the great safeguard of all other liberties. Macaulay. [ 1913 Webster ]

Discussion of a problem or
Discussion of an equation (Math.), the operation of assigning different reasonable values to the arbitrary quantities and interpreting the result. Math. Dict. [ 1913 Webster ]