{adj. phr.}, {informal} Friendly with someone; liked by a person. * /John thought that he would get a good grade if he got on the good side of the teacher./ * /Successful workers stay on the good side of their bosses./ Contrast: ON ONE'S BAD SIDE.
ON THE GOOD SIDE OF ONE
Meaning of ON THE GOOD SIDE OF ONE in English
Dictionary of English idioms . Словарь английских идиом. 2012