O que significa "to be in favour with" ?

To be in favour with (somebody, a boss, society, etc...)

To be into one´s good grace

To get into the good grace of... (someone/somebody, etc) [or - to get into someone´s grace, if you wish.]
(here, it slightly suggests there was a change of status - one wasn´t into the good graces of him/her but then now it is.)




=================
related expressions =>

One could curry the favour of a boss, then a coworker or someone else could push him out of the favour of the boss.
The boss himself could be in trouble, because he might have fallen out of favor with management, who knows?
But then, at last, the boss and the guy we are talking about could be back in favour with their higher-ups.