From tsadaq; rightness (abstractly), subjectively (rectitude), objectively (justice), morally (virtue) or figuratively (prosperity) -- justice, moderately, right(-eous) (act, -ly,-ness).
see HEBREW tsadaq
H6666. tsedaqah
צְדָקָה157 noun feminine righteousness; — absolute ׳צ Genesis 15:6+81 t.; construct צִדְקַת Deuteronomy 33:21+5 t.; suffix צִדְקָתִי Genesis 30:33 +, etc.; plural צְדָקוֺת Isaiah 33:15+3t.; construct צִדְקוֺת Judges 5:11+; suffix צִדְקֹתֶיךָ Daniel 9:16, etc.; —
1 righteousness, in government:
a. of judge, ruler, king: "" משׁפט Isaiah 5:7; 9:6; Amos 5:7; 6:12; וצ ׳משׁפט 2 Samuel 8:15, עשׂה David executed justice and righteousness = 1 Chronicles 18:14, compare 1 Kings 10:9 2 Chronicles 9:8; Jeremiah 22:3, 15; 33:15; Ezekiel 45:9; ׳בּצ כִּסֵּא יִכּוֺן Proverbs 16:12, compare Isaiah 54:14; הצ ׳מַעֲשֵׂה השׂ, ׳עֲבֹדַת 32:17, compare V:16; צ ׳נֹגְשַׂיִךְ 60:17.
b. of law, "" י ׳צִדְקַת משׁפטים, Deuteronomy 33:21.
c. of Davidic king, Messiah, "" משׁפט, Psalm 72:1; 72:3; Isaiah 9:6; Jeremiah 23:5; 33:15.
2 God's attribute as sovereign Psalm 36:7; 71:19; in government, וצ ׳משׁפט עשׂה 99:4; Jeremiah 9:23; administering justice Job 37:28; punishment Isaiah 1:27; 5:16; 10:22; 28:17; Daniel 9:7; vindication of his people Micah 7:9.
3 righteousness, in a case or cause, החזקתי בצדקתי Job 27:6 on my righteousness I hold fast; צ עוד לי ישׁ ׳מה 2 Samuel 19:29 what right have I yet ? of God's judgments, צ ׳הגיד Isaiah 57:12 (iron.); צ ׳השׁיב 1 Samuel 26:23; Job 33:26; השׁיב ׳כּצ, 2 Samuel 22:25, גמל 22:21, נתן 1 Kings 8:52 2 Chronicles 6:23.
4 righteousness = truthfulness, ובצ ׳באמת Isaiah 48:1; Zechariah 8:8; in word Isaiah 45:28; Isaiah 63:1, oath Jeremiah 4:2.
5 righteousness, as ethically right: Genesis 30:33 (J) Deuteronomy 6:25; Isaiah 33:5; 41:18; Ezekiel 14:14, 20; Proverbs 10:2; 11:4-5, 18, 19+17 t., +(ה)צַדִּיק(יםׅ צִדְקַת Isaiah 5:23; Ezekiel 18:20; 33:12; ׳צ ישׁרים Proverbs 11:6; צ ׳אֹרַח 8:20; 12:28; צ ׳דֶּרֶךְ 16:31; צ ׳עשׂה do righteousness Psalm 106:3; Isaiah 56:1; 58:2; Ezekiel 18:22; וצ משׁפט ׳עשׂה 18:5-6t. Ezekiel; צ ׳עשׂה ומשׁפט Genesis 18:10 (J) Proverbs 21:8; צ ׳רדף 15:9; 21:21; ובצ באמת ׳הלך1k 3:6; (ל)צ לוֺ ׳חשׁב Genesis 15:6 (JE) imputed to him (for) righteousness, Psalm 106:31; ׳צ וָחֶסֶד Proverbs 21:21 (twice in verse) (strike out ᵐ5A B Toy).
6 righteousness as vindicated, justification, salvation, etc. (compare צֶדֶק 6):
a. of God "" יְשׁוּעָה תְּשׁוּעָה, יָשַׁע, Isaiah 45:8; 46:13; 51:6-7t. Isa2; "" בְּרָכָה Psalm 24:6; "" נַחֲלָה Isaiah 54:17; "" חֶסֶד Psalm 36:11; 103:17; צ ׳שֶׁמֶשׁ Malachi 3:20 sun of righteousness (with healing); ׳י ׳בִּצ, delivers, guides, exalts his people 5:9; 31:2; 71:2; 89:17; 119:40; 143:1; 143:11; בְּצִדְקָתֶ֑ךָ אַליָֿבאֹוּ 69:28 (of wicked); as accusative after verbs of declaring, etc., his saving (delivering) righteousness Psalm 22:32; 40:11; 51:16; 71:15; 71:16; 71:24; 98:2; 145:7; also צ ׳יִוָּדַע 88:13; לָעַד ׳צ עֹמֶדֶת his righteousness endureth for ever 111:3; compare 119:142.
b. of people, = prosperity, "" עשׁר הון, Proverbs 8:18; לצ ׳מוֺרֶה early rain for prosperity Joel 2:23.
7 plural righteous acts:
a. of God Judges 5:11 (twice in verse); 1 Samuel 12:7; Micah 6:5; vindication of right Psalm 103:6; redemptive Isaiah 45:24; Daniel 9:16.
b. of man's moral conduct Isaiah 64:5; Jeremiah 51:10, also probably Ezekiel 3:20; 18:24; 33:13 (Kt singular) Psalm 11:7 (? gloss), Daniel 9:18; as adverb accusative, צְדָקוֺת הֹלֵךְ Isaiah 33:15.