This is the 4002nd most frequent Russian word.
консервативной
Conservative.
The word 'консервативной' (conservative) is used to describe a viewpoint supporting traditional ideas in a particular topic, in this case, upbringing.
Она придерживается консервативной точки зрения на воспитание.
She adheres to a conservative view on upbringing.
Here 'консервативной' refers to a set of ideas or policies that favor preserving traditional institutions and oppose radical changes.
В политике он известен своими консервативными идеями.
In politics, he is known for his conservative ideas.
In this instance, 'консервативной' is used to characterize a style that prefers traditional and modest designs.