FAVOUR
favor, favour
(noun) an act of gracious kindness
favor, favour
(noun) an advantage to the benefit of someone or something; “the outcome was in his favor”
favor, favour
(noun) an inclination to approve; “that style is in favor this season”
favor, favour
(noun) a feeling of favorable regard
favor, favour
(verb) consider as the favorite; “The local team was favored”
prefer, favor, favour
(verb) promote over another; “he favors his second daughter”
privilege, favor, favour
(verb) bestow a privilege upon
favor, favour
(verb) treat gently or carefully
Source: WordNet® 3.1
Noun
favour (countable and uncountable, plural favours)
(British spelling) Standard spelling of favor.
Verb
favour (third-person singular simple present favours, present participle favouring, simple past and past participle favoured)
(British spelling) Standard spelling of favor.
Usage notes
• Favour is the standard British and Commonwealth spelling. Favor is the standard American spelling, and an alternative in Canada.
Source: Wiktionary