Handsomely

adv.joyful, capableformal

Meaning 1

In a visually pleasing, polished, or dignified manner.

Reach for it when praising how an object, room, or publication has been presented

The quiet lobby is handsomely finished in dark oak.

warm
beautifully
the result gives straightforward visual pleasure
not when Beautifully is broader and more emotional than this dignified kind of praise.
professional
impressively
overall impact matters more than conventional beauty
not when Something may impress through scale or novelty while looking severe.
formal
elegantly
refined taste and graceful restraint create the appeal
not when Elegant can suggest delicacy rather than the solid attractiveness of handsomely.

With notable generosity or an ample material return.

Reach for it when describing generous payment, reward, or provision

The cooperative handsomely rewarded members after a strong year.

warm
generously
openhanded treatment of a person deserves emphasis
not when Generously points to spirit and fairness, not necessarily a large final amount.
professional
profitably
the favorable financial return is the relevant result
not when Profitably does not imply anyone paid or treated the subject handsomely.
formal
amply
the provision comfortably covers what is needed
not when Amply can mean merely sufficient and may undersell an exceptional reward.

handsomely appointed
The reading room is handsomely appointed without feeling grand.
handsomely illustrated
The field guide is handsomely illustrated with precise watercolors.
handsomely rewarded
The winning apprentices were handsomely rewarded for their designs.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.