Innocence (noun)

1. The quality or state of being innocent; freedom from guilt, sin, or moral wrong.
2. Lack of knowledge of or experience with something; naivety.
3. The quality or state of being free from guilt or sin; virtue.

Origin:

From the middle english, from old french, from latin innocentia, from innocent-, innocens meaning harmless, not guilty. first used in the 14th century.

Examples:

1. The child's innocence was obvious in her wide-eyed wonder at the world around her.
2. He pleaded for his innocence in the face of overwhelming evidence.
3. The innocence of his face convinced the jury to acquit him.
4. The young girl's innocence was taken away from her when she was forced into marriage.
5. She looked at him with an innocence that belied her true feelings.