to make larger or greater, to increase the strength or amount of
amplify
to make or become pure
purify
to make a statement based on personal knowledge or belief
testify
to make stronger, more acute, or more intense.
intensify
to praise, honor, or worship.
glorify
to consider (someone or something) as belonging to a particular group.
classify
to serve as a sign of; to mean something
signify
to make firm, hard, or solid.
solidify
to tell about
notify
to make, or alter so as to make, untrue or inaccurate
falsify