Strong's Concordance

Original word: στερέωμα
Transliteration: stereóma
Definition (short): stability
Definition (full): a solid body, a support, strength, firmness

NAS Exhaustive Concordance

Word Origin: from stereoó
Definition: a solid body, a support, strength, firmness
NASB Translation: stability (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

From stereoo; something established, i.e. (abstractly) confirmation (stability) -- stedfastness.

see GREEK stereoo

KJV: For though I be absent in the flesh, yet am I with you in the spirit, joying and beholding your order, and the stedfastness of your faith in Christ.
NASB: For even though I am absent in body, nevertheless I am with you in spirit, rejoicing to see your good discipline and the stability of your faith in Christ.