Antonym of MISERLY

Miserly : of or characteristic of a miser.
Liberal : willing to respect or accept behaviour or opinions different from one's own; open to new ideas.
Spendthrift : a person who spends money in an extravagant, irresponsible way.
Charitable : relating to the assistance of those in need.
Generous : showing a readiness to give more of something, especially money, than is strictly necessary or expected.

Antonym of Miserly is Generous