Noble

Belonging to a hereditary class with high social or political status; aristocratic.

Having fine personal qualities or high moral principles and ideals.

(Noun) Kings, queens, princes are nobles.

(Adjective) His followers believe they are fighting for a noble cause.

Merriam-Webster Online Dictionary
noble (adjective)
1.
a) possessing outstanding qualities - illustrious
b) - famous notable noble deeds
2.
of high birth or exalted rank - aristocratic
3.
a) possessing very high or excellent qualities or properties - noble wine
b) very good or excellent
4.
grand or impressive especially in appearance - noble edifice
5.
possessing, characterized by, or arising from superiority of mind or character or of ideals or morals - lofty a noble ambition
6.
chemically inert or inactive especially toward oxygen - a noble metal such as platinum compare base 6a moral
noble (noun)
1.
a person of noble rank or birth
2.
an old English gold coin equivalent to 6 8 - s d