favor

1 favor (US) noun
or British favour /ˈfeɪvɚ/
plural favors
1 favor (US)
noun
or British favour /ˈfeɪvɚ/
plural favors
Britannica Dictionary definition of FAVOR
1 
[count] : a kind or helpful act that you do for someone
2 
[noncount]
a  : approval, support, or popularity
b  : preference for one person, group, etc., over another
3 
[count] US : a small gift given to the people who come to a party : party favor

court someone's favor

or court favor with someone
— see 2court

curry favor

— see 2curry

in favor of

1 
: wanting or approving of (something)
2 
: in a way that tries to persuade people to support (something)
3 
: choosing (something) instead of something else : preferring (something)
4 
: in support of (someone) : in a way that helps or benefits (someone)

in someone's favor

1 
: in support of (someone) : in a way that helps or benefits (someone)
2 
: in a state of being liked or approved of by (someone)

odds are in favor

◊ If the odds are in your favor, you are likely to win or succeed.
◊ If the odds are in favor of something, that thing is likely to happen.
2 favor (US) verb
or British favour /ˈfeɪvɚ/
favors; favored; favoring
2 favor (US)
verb
or British favour /ˈfeɪvɚ/
favors; favored; favoring
Britannica Dictionary definition of FAVOR
[+ object]
1 
a  : to prefer (someone) especially in an unfair way : to show that you like or approve of (someone) more than others
b  : to approve of or support (something)
c  : to regard (someone or something) as most likely to succeed or win
2 
formal : to give something to (someone) : to present (someone) with something
3 
: to treat (an injured leg, foot, etc.) gently or carefully
4 
formal : to make (something) possible or easy : to help (something) to succeed
5 
: to look like (a parent or other relative)