conclusory

As a noun explanation

is the act or process of explaining.

As an adjective conclusory is

of or pertaining to a conclusion; conclusive.

As adjectives the difference between conclusory and concluding

is that conclusory is of or pertaining to a conclusion; conclusive while concluding is conclusive; convincing; decisive.

As a verb concluding is

present participle of lang=en.

As adjectives the difference between unsupported and conclusory

is that unsupported is without physical support while conclusory is of or pertaining to a conclusion; conclusive.