baptize

Short definition from Wiktionary

Verb

1. 1
   To perform the sacrament of baptism by sprinkling or pouring water over someone or immersing them in water.
2. 2
   To Christianize.
3. 3
   To dedicate or christen.
4. 4
   Of rum, brandy, or any other spirits, to dilute with water.
5. 5
   To ensure proper burning of a joint by moistening the exterior with saliva.
6. 6
   To extinguish the life of.