Fiance (noun)

A man to whom someone is engaged to be married.

Origin:

Early 19th century: from french, from fiancer, from old french fier "to trust, betroth".

Examples:

1. She introduced him to her parents as her fiance.
2. He had proposed to her and she had accepted him as her fiance.
3. She was ecstatic when she heard the news of her best friend's engagement to her longtime fiance.
4. He had been her fiance for over two years now.
5. She couldn't wait to marry her handsome and loving fiance.