prestigious

As adjectives the difference between notable and prestigious

is that notable is (obsolete) useful; profitable or notable can be worthy of notice; remarkable; memorable; noted or distinguished while prestigious is of high prestige.

As a noun notable

is a person or thing of distinction.

As adjectives the difference between prestigious and nonprestigious

is that prestigious is of high prestige while nonprestigious is not prestigious.

As an adjective prestigious

is of high prestige.

As a noun prestigiousness is

the state or condition of being prestigious.

As adjectives the difference between prestigious and mainstage

is that prestigious is of high prestige while mainstage is mainstream; implies popular.

As a noun mainstage is

the largest performing space in a venue.