(ف) صَلَحَ يَصْلَحُ صَلَاحًاṣalaḥa yaṣlaḥu ṣalāḥan: of an order of things, to be sound, to be right, to be righteous.
صَالِحٌṣāliḥ pl. صَالِحُوْنَṣāliḥūna, feminine صَالِحَةٌṣāliḥah pl. صَالِحٰتٌṣāliḥāt (active participle, ism fāʿil): righteous, sound; اَلصّٰلِحٰتُaṣ-ṣāliḥāt: righteous deeds. ﴿اِنَّ الَّذِيْنَ اٰمَنُوْا وَعَمِلُوا الصّٰلِحٰتِ﴾ (Al-Bayyinah 98:7)
صُلْحٌṣulḥ (noun, ism dhāt): reconciliation, setting matters right between people. ﴿وَالصُّلْحُ خَيْرٌ﴾ (An-Nisāʾ 4:128)
Form III (mufāʿalah) صَالَحَ يُصَالِحُ مُصَالَحَةًṣālaḥa yuṣāliḥu muṣālaḥatan: to make peace with someone; to settle a quarrel and be reconciled (this verb is not used in the Quran).
Form IV (ifʿāl) اَصْلَحَ يُصْلِحُ اِصْلَاحًاaṣlaḥa yuṣliḥu iṣlāḥan: to set right, to reform. ﴿فَاَصْلِحُوْا بَيْنَ اَخَوَيْكُمْ﴾ (Al-Ḥujurāt 49:10); ﴿وَلَا تُفْسِدُوْا فِي الْاَرْضِ بَعْدَ اِصْلَاحِهَا﴾ (Al-Aʿrāf 7:56)
مُصْلِحٌmuṣliḥ pl. مُصْلِحُوْنَmuṣliḥūna (active participle, ism fāʿil): one who sets things right, a reformer. ﴿قَالُوْٓا اِنَّمَا نَحْنُ مُصْلِحُوْنَ﴾ (Al-Baqarah 2:11)
Form VIII (iftiʿāl) اِصْطَلَحَ يَصْطَلِحُ اِصْطِلَاحًاiṣṭalaḥa yaṣṭaliḥu iṣṭilāḥan: to make peace with one another; to agree mutually on something (this verb is not used in the Quran).