This is the 5710th most frequent Russian word.
принятой
"Accepted" or "customary."
In this sentence, 'принятой' is an adjective modifying 'практике', referring to a practice that has been officially adopted or accepted.
Она придерживается принятой практики в своей работе.
She adheres to the adopted practice in her work.
Here, 'принятой' describes a concept that has been formally approved or accepted, linked to the noun 'концепции'.
Мы обсудили детали принятой концепции на собрании.
We discussed the details of the adopted concept at the meeting.
In this sentence, 'принятой' qualifies the noun 'системе', suggesting that the system has been officially approved or is generally accepted.