Smiling vs. Smiley

Smilingadjective

That smiles or has a smile.

Smilingnoun

The action of the verb to smile.

Smilingnoun

a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement

Smilingadjective

smiling with happiness or optimism;

Smileyadjective

Cheerful and happy; smiling.

Smileyadjective

(slang) Having one's throat slit from side to side.

Smileynoun

A simplified representation of a smiling face.

Smileynoun

(Internet) A sequence of keyboard characters used to represent a happy mood, especially :) or :-) or other depiction of smiling.

Smileynoun

(rare) An improvised street weapon consisting of a length of chain with padlocks and other heavy objects affixed to one end.

Smileynoun

(South Africa) A roasted sheep's head.

Smileynoun

The type of piercing of the upper frenulum (upper lip) [https://books.google.com/books?id=83sjmTPnz48C&pg=PA118&dq=scrumper+lip&hl=en&sa=X&ved=0CCMQ6AEwAWoVChMI9eC8jqfQxwIVlyWICh0mzw1H#v=onepage&q=scrumper%20lip&f=false]

Smileynoun

an emoticon of a smiling face

Smileyadjective

smiling; cheerful

Smileynoun

a symbol representing a smiling face that is used in written communication to indicate that the writer is pleased or joking.

Smiley

A smiley, sometimes referred to as a smiley face, is a basic ideogram that represents a smiling face. Since the 1950s it has become part of popular culture worldwide, used either as a standalone ideogram, or as a form of communication, such as emoticons.