Final answer:
Confirmation is a religious ritual in which a person is anointed with holy oil, symbolizing the sealing of the Holy Spirit upon them.
Step-by-step explanation:
The anointing described in the question is a religious ritual commonly practiced in some Christian traditions, known as the sacrament of Confirmation. During this sacrament, a person is anointed with holy oil by a member of the clergy, usually on the forehead, while the words 'Receive this sign of the cross' are spoken. This anointing symbolizes the strengthening and sealing of the Holy Spirit upon the individual.