1. With wistfulness.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• wistfull,
• wastfull,
• tastfully,
• fistfull,
• wisfully,
• hastfully,
• whistfully,
• waistfully,
• wishtfully,
• qistfully,
• wistfuly,
• wisstfully,
• wistfullly,
• Witfulle,
• Mistfuly,
• wistefull,
• wisteflly,
• whistfuly,
• whishtfully,
• wistfulyy

• wistful,
• wistfulness.

The adjective form of the word "wistfully" is "wistful".