Webster's Revised Unabridged Dictionary · 1913

Commence

Commence (kom*mens") , intransitive verb

[French commencer, Old French comencier, from Latin com- + initiare to begin. See Initiate.]

1.
To have a beginning or origin; to originate; to start; to begin.
Here the anthem doth commence. — Shakespeare
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. [English]
I question whether the formality of commencing was used in that age. — Fuller

Commence , transitive verb

To enter upon; to begin; to perform the first act of.
Many a wooer doth commence his suit. — Shakespeare

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.