"And that ye study to be QUIET, and to do your own business, and to work with your own hands, as we commanded you..." 1 Thess. 4:11

hēsychazein (from the same as hesuchios; to keep still)

"Now them that are such we command and exhort by our Lord Jesus Christ, that with QUIETNESS they work, and eat their own bread." 2 Thess 3:12
hēsyxía (from hēsyxos, "quiet, stillness") – quietness, implying calm; for the believer, of their God-produced calm which includes an inner tranquility that supports appropriate action.

"...that we may lead a QUIET and peaceable life in all godliness and honesty." 1 Tim. 2:2

hēsýxios (an adjective derived from hēsyxos, "quiet, stillness") – properly, quiet (still), i.e. steady (settled) due to a divinely-inspired inner calmness.
"Let the woman learn in SILENCE with all subjection." 1 Tim. 2:11

hésuchia: stillness. Feminine of hesuchios; (as noun) stillness, i.e. Desistance from bustle or language -- quietness, silence.

"But let it be the hidden man of the heart, in that which is not corruptible, even the ornament of a meek and QUIET spirit, which is in the sight of God of great price." 1 Peter 3:4

hēsyxios ("calmly quiet") describes being "appropriately tranquil" by not misusing (or overusing) words that would stir up needless friction (destructive commotion).

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SI Moderator - Greg Gordon