Webster's Revised Unabridged Dictionary · 1913

Baptize

Baptize ({not transcribed}) , transitive verb

[French baptiser, Latin baptizare, from Greek bapti`zein. See Baptism.]

1.
To administer the sacrament of baptism to.
2.
To christen (because a name is given to infants at their baptism); to give a name to; to name.
I'll be new baptized; Henceforth I never will be Romeo. — Shakespeare
3.
To sanctify; to consecrate.