There seven things that make up  meditation.
(1) Wise Understanding
(2) Wise Attitude
(3) Wise Speech
(4) Wise Action
(5) Wise Living
(6) Wise Practice
(7) And Wise Presence.
Tranquility of mind
Made-up  of these seven supports;
This is called Ariyan Wise meditation
With its causes  and conditions.
 “Sattime, bhikkhave, samādhiparikkhārā.
 Parikkhata2 [pp. of *parikkharoti; cp. Sk. pariṣkṛta] made up, prepared, endowed with, equipped, adorned.