1. With enthusiasm and sincerity: This is the most common meaning. It implies a genuine and strong feeling behind an action or expression.
* Example: "She laughed heartily at the joke."
2. With vigor and strength: This meaning often describes physical actions.
* Example: "He ate heartily of the delicious meal."
3. Abundantly or plentifully: This meaning is less common but can describe a large quantity of something.
* Example: "They were heartily supplied with food and drink."
In summary: "Heartily" generally implies a strong and positive quality, whether it's enthusiasm, strength, or abundance.