Which is the noun form of the word 'beautiful"?

Beautiful এর noun form হচ্ছে Beauty. 
Beauty (noun): 
English Meaning - The quality or aggregate of qualities in a person or thing that gives pleasure to the senses or pleasurably exalts the mind or spirit.
Bengali Meaning -  সৌন্দর্য; শ্রী; রূপ; লাবণ্য; ছটা। 
Example Sentence - We explored the natural beauty of the island.

Beautiful (adjective): 
English Meaning - Having qualities of beauty. 
Bengali Meaning - সুন্দর, চমৎকার; মন ও ইন্দ্রিয়কে আনন্দ দেয় এমন। 
Example Sentence - You have the most beautiful smile.