Usage examples for naivete:

• Her naivete her simplicity, her ignorance of social conventions and of the worldly wisdom which to Mrs. Mavick was the sum of all knowledge misled her mother as to her power of discernment and her strength of character. "That Fortune" – Charles Dudley Warner Last Updated: February 22, 2009

• " Yes, but you must have an account," I said, smiling at her naivete "The Wife and Other Stories" – Anton Chekhov

• The naivete of this speech is not to be surpassed. "Mrs. Geoffrey" – Duchess