fair1
  
  adj.
     - treating people equally. ▸just or appropriate in the circumstances. 
- (of hair or complexion) light; blonde.
- considerable in size or amount. ▸moderately good. ▸Austral./NZ informal complete. 
- (of weather) fine and dry.
- archaic beautiful.
adv.
  - in a fair manner.
- dialect to a high degree.
n.
 archaic a beautiful woman.
v.
 dialect (of the weather) become fine.
Phrase
  
    - fair and square
 - with absolute accuracy.
- honestly and straightforwardly.
 
- fair dinkum
 see dinkum.
- fair dos
 Brit. informal a request for just treatment or an acceptance that it has been given.
- fair game
 a person or thing that is considered a reasonable target for criticism or exploitation.
- the fair sex 
(also the fairer sex)
 dated or humorous women.
- fair's fair
 informal a request for just treatment or an assertion that an arrangement is just.
- for fair
 US informal completely and finally.
- in a fair way to
 likely to.
- it's a fair cop
 Brit. informal an admission that the speaker has been caught doing wrong and deserves punishment.
 
  Derivative
  
  Etymology
  OE fæger ‘pleasing, attractive’, of Gmc origin.
 
  
    
fair2
  
  n.
  - a gathering of stalls and amusements for public entertainment.
- a periodic gathering for the sale of goods. ▸an exhibition to promote particular products. ▸N. Amer. an annual competitive exhibition of livestock, agricultural products, etc., held in a rural area. 
Etymology
  ME: from OFr. feire, from late L. feria, sing. of L. feriae ‘holy days’ (on which fairs were often held).
 
  
    
fair3
  
  v.
 
[
usu. as adj. faired]
 streamline (a vehicle, boat, or aircraft) by adding fairings.
Etymology
  OE in the senses ‘beautify’ and ‘appear or become clean’.