subservient

(adj.): acting like a servant

corroborate

(v.): to support with evidence

deference

(n.): respect and honor due to a superior or elder

countenance

(n.): appearance, especially the look or expression of the face

decorum

(n.): dignified propriety of behavior, speech, dress, etc.

beguile

(v.): charm or enchant (someone), sometimes in a deceptive way

mien

(n.): a person's look or manner, indicating their character or mood.

obeisance

(n.): a gesture of respect

dirge

(n.): a somber song or lament expressing mourning or grief, such as would be appropriate for performance at a funeral. The word is also commonly used to describe singing in an un-tuneful manner.