How do you spell Ingenuous

Available Definitions:
1)  a. - Of honorable extraction; freeborn; noble; as, ingenuous blood of birth.
2)  a. - Noble; generous; magnanimous; honorable; upright; high-minded; as, an ingenuous ardor or zeal.
3)  a. - Free from reserve, disguise, equivocation, or dissimulation; open; frank; as, an ingenuous man; an ingenuous declaration, confession, etc.
4)  a. - Ingenious.