Candid (adjective)

1. Open and honest in expression; straightforward.
2. Not influenced by personal feelings, prejudices, or desires; objective.

Origin:

From latin candidus ("white, pure"), from candere ("to shine, glitter"), from candus ("white, bright") + -idus (indicating a state or condition).

Examples:

1. He gave a candid opinion.
2. She was candid about her feelings.
3. The interview was candid and honest.
4. His candid approach made him easy to work with.
5. The candid conversation was refreshing.