Countenance (noun)

1. The appearance of a person's face, especially as an indication of their mood or character.
2. An expression or appearance of approval or disapproval.

Origin:

From middle english, from old french contenance, from latin contentus, from the verb continēre ("to contain, hold togethe.r")

Examples:

1. The countenance of the old man was solemn and wise.
2. The teacher gave the student a countenance of disapproval.
3. The countenance of the newly elected president was one of determination and confidence.
4. She could not hide her countenance of disappointment.
5. His countenance brightened when he saw his family.