Deferential (adjective)

1. Showing respect and attention to another person.
2. Showing submission or deference to another's authority or judgment.

Origin:

From latin deferens, present participle of deferre, "to carry away, to show respect".

Examples:

1. The waiter was deferential and attentive to the needs of the customers.
2. The young employee was deferential to her supervisor.
3. The new recruit was deferential to the veteran soldiers.
4. The politician was deferential to the wishes of his constituents.
5. The student was deferential to the teacher's instructions.