Englishfor English speakers
functioning
—
adjective
performing or able to perform its regular function
a functioning flashlight
—
noun
(= operation, performance)
process or manner of functioning or operating
the power of its engine determines its operation
the plane's operation in high winds
they compared the cooking performance of each oven
the jet's performance conformed to high standards
properly
Adverb
—
If you do something properly, you do it in the right way.
We need to make sure that police are properly trained.
How much of him have I not properly understood?
The chemical is vital for cells to function properly.