adjective
(superlative) Most-liked. (In other words, [person]'s favorite [noun] = the [noun] that [person] likes the most.)
(positive, high-register or archaic) Liked, cherished.
noun
A person or thing who enjoys special regard or favour.
A person who is preferred or trusted above all others.
A contestant or competitor thought most likely to win.
(Internet) A bookmark on a web browser or website.
(in the plural) A short curl dangling over the temples, fashionable in the reign of Charles II.
verb
To favour.
(Internet) To bookmark.
(Internet) To add to one's list of favourite items on a website that allows users to compile such lists.