The Collaborative International Dictionary
Nicknaming
Nickname \Nick"name`\, v. t. [imp. & p. p. Nicknamed; p. pr. & vb. n. Nicknaming.] To give a nickname to; to call by a nickname.
You nickname virtue; vice you should have spoke.
--Shak.
I altogether disclaim what has been nicknamed the
doctrine of finality.
--Macaulay.
Wiktionary
nicknaming
vb. (present participle of nickname English)