Unction (noun)

1. An act of anointing, especially as part of a religious ritual.
2. An oily substance used in anointing, such as oil or ointment.
3. A smooth, insincere, or exaggeratedly earnest manner of speaking or writing.

Origin:

From latin unctio (anointing), from unguere (to anoint).

Examples:

1. The priest performed the unction of the sick, anointing the ill person with oil.
2. The unction was used to anoint the newborn baby during the baptism ceremony.
3. The unction of the oils created a pleasant aroma in the church.
4. The unction of his words made it difficult to determine his true feelings.
5. The politician's unction made him seem insincere to some voters.