Webster’s Revised Unabridged Dictionary · 1913
Commence
Com·mence′ (kŏm·mĕns′), v. i. [imp. & p. p. Commenced; p. pr. & vb. n. Commencing.] [F. commencer, OF. comencier, fr. L. com- + initiare to begin. See Initiate.] 1. To have a beginning or origin; to originate; to start; to begin.
Here the anthem doth commence. Shak.
His heaven commences ere the world be past. Goldsmith.
2. To begin to be, or to act as. [Archaic]
We commence judges ourselves. Coleridge.
3. To take a degree at a university. [Eng.]
I question whether the formality of commencing was used in that age. Fuller.
Com·mence′, v. t. To enter upon; to begin; to perform the first act of.
Many a wooer doth commence his suit. Shak.
☞ It is the practice of good writers to use the verbal noun (instead of the infinitive with to) after commence; as, he commenced studying, not he commenced to study.