Mark 5:15σωφρονοῦντα
When they came to Jesus, they saw the man who had been possessed by the legion of demons sitting there, clothed and in his right mind; and they were afraid.
Luke 8:35σωφρονοῦντα
So the people went out to see what had happened. They came to Jesus and found the man whom the demons had left, sitting at Jesus’ feet, clothed and in his right mind; and they were afraid.
Romans 12:3σωφρονεῖν
For by the grace given me I say to every one of you: Do not think of yourself more highly than you ought, but think of yourself with sober judgment, according to the measure of faith God has given you.
2 Corinthians 5:13σωφρονοῦμεν
If we are out of our mind, it is for God; if we are of sound mind, it is for you.
Titus 2:6σωφρονεῖν
In the same way, urge the younger men to be self-controlled.
1 Peter 4:7σωφρονήσατε
The end of all things is near. Therefore be clear-minded and sober, so that you can pray.

Abbott-Smith

σωφρονέω, -ῶ
(σώφρων),

(a) to be of sound mind or in one's right mind: Mrk.5:15, Luk.8:35; opposite to ἐκστῆναι, 2Co.5:13 (Hdt.);

(b) to be temperate, discreet, self-controlled (opposite to μαίνεσθαι, ὑβρίζειν, etc.; sch., Thuc., al.): Tit.2:6; opposite to ὑπερφρονεῖν, Rom.12:3; σ. καὶ νήφειν, 1Pe.4:7.†
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.