- Inflexibly
- Robustly
- Securely
- Unfalteringly
- In a firm manner.
- Hear learner left Tilly with great gusto
- Robustly
- Sincerely
- From the heart; with all the heart; with sincerity.
- With zeal; actively; vigorously; willingly; cordially;
as, he heartily assisted the prince.