Successful

From success + -ful.

Full definition of successful

Resulting in success; assuring, or promotive of, success; accomplishing what was proposed; having the desired effect; prosperous; fortunate; happy

2006, Edwin Black, Internal Combustion Chapter 1, If successful, Edison and Ford—in 1914—would move society away from the ever more expensive and then universally known killing hazards of gasoline cars: … .
2013-06-21, Oliver Burkeman, The tao of tech, The dirty secret of the internet is that all this distraction and interruption is immensely profitable. Web companies like to boast about …, or offering services that let you..."share the things you love with the world" and so on. But the real way to build a successful online business is to be better than your rivals at undermining people's control of their own attention.

a successful use of medicine; a successful experiment''; a successful enterprise