This is the 16407th most frequent Russian word.
родительских
"Parental."
Here, 'родительских' is an adjective describing 'собрания' (meetings), indicating that these meetings are for parents.
На родительских собрания обсуждают успехи учеников.
At parental meetings, they discuss the students' achievements.
In this sentence, 'родительских' is used to describe 'советах' (advice), showing that the advice comes from parents.
Он решил воспользоваться родительских советах.
He decided to make use of parental advice.
Here, 'родительских' modifies 'договорах' (agreements), specifying that these agreements pertain to parent-related contexts.