certainly

As an adverb certainly is

in a way which is certain; with certainty.

As an adverb certainly is

in a way which is certain; with certainty.

As adverbs the difference between certainly and basically

is that certainly is in a way which is certain; with certainty while basically is in a fundamental, essential or basic manner.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adverb certainly is

in a way which is certain; with certainty.

As adverbs the difference between certainly and wisly

is that certainly is in a way which is certain; with certainty while wisly is (rare|dialectal|or|obsolete) certainly; surely.

As adverbs the difference between certainly and inarguably

is that certainly is in a way which is certain; with certainty while inarguably is indisputably; certainly, definitely; without the possibility of argument or debate.

As adverbs the difference between actually and certainly

is that actually is (modal) in act or in fact; really; in truth; positively while certainly is in a way which is certain; with certainty.

As adverbs the difference between certainly and definitively

is that certainly is in a way which is certain; with certainty while definitively is in a way that is not only decisive, but also conclusive and final.