WordNet sense 1 (an abundant source):

fountainhead, wellspring

WordNet sense 2 (come up, as of a liquid):

swell

WordNet sense 3 (resulting favorably):

good

WordNet sense 4 (having unexpected good fortune):

fortunate

WordNet sense 5 (worthy of being recommended or suggested; prudent or wise):

advisable

WordNet sense 6 (with great or especially intimate knowledge):

intimately

WordNet sense 7 (to a great extent or degree):

considerably, substantially

WordNet sense 8 (in a manner affording benefit or advantage):

advantageously

WordNet sense 9 (in financial comfort):

comfortably

WordNet sense 10 (indicating high probability; in all likelihood):

easily