The words - beautiful, pretty, lovely, handsome, attractive, good-looking, gorgeous, stunning - that we use to compliment or describe a person, who pleases the eye, are close in meaning but have subtle differences between them. 

Beautiful
It expresses a general meaning of that which is pleasing to the eye or other senses, or to the mind.

• Maria is a beautiful girl.

• What a beautiful day!

Pretty 
It is used to describe beauty, implying a dainty, delicate, or graceful quality, with connotations of femininity or diminutiveness.

• They have a very pretty child.

• She looked so pretty in that dress.

Lovely
It is used to express delight by inspiring affection or warm admiration.

• She has a lovely voice.

• He greeted us with a warm and lovely smile.

Handsome
It is used to describe men with attractive physical features, implying masculinity or impressiveness.

• a handsome face

• He was a tall and handsome man.

Attractive
It is used to describe a person of impressive beauty, especially in a sexual way.

• an attractive woman

• I find him very attractive.

Good-looking
It is used to describe people who are physically beautiful or attractive.

• He is quite good-looking.

• She was a good-looking and attractive woman.

Gorgeous
It is used in informal language to indicate that a person is very beautiful.

• a gorgeous girl/man

• He has a gorgeous girlfriend.

Stunning
It is used in informal language to indicate that a woman or girl is extremely attractive and beautiful.

• You look stunning as always.