The Collaborative International Dictionary
Discoursing
Discourse \Dis*course"\, v. i. [imp. & p. p. Discoursed; p. pr. & vb. n. Discoursing.]
To exercise reason; to employ the mind in judging and inferring; to reason. [Obs.] ``Have sense or can discourse.''
--Dryden.-
To express one's self in oral discourse; to expose one's views; to talk in a continuous or formal manner; to hold forth; to speak; to converse.
Bid me discourse, I will enchant thine ear.
--Shak. To relate something; to tell.
--Shak.To treat of something in writing and formally.
Wiktionary
discoursing
n. conversation vb. (present participle of discourse English)