سوغ doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 3 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• سَاغَ Form 1

  1 سَاغَ ذ , (S, Mgh, Msb, K,) or ساغ فِى الحَلْقِ, (JK,) aor. يَسُوغُ, (S, Msb,) inf. n. سَوْغٌ (JK, S, Mgh, Msb, K) and سَوَاغٌ, or سُوَاغٌ, accord. to different copies of the K, (TA,) and سَوَغَانٌ, (CK, [not in my MS.…

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• سَوَّغَ Form 2

  2 سَوَّغَ [سوّغهُ is app., in its primary sense, syn. with أَسَاغَهُ: and hence what here follows.] -b2- You say, سوّغهُ مَا أَصَابَ, (JK, TA,) inf. n. تَسْوِيغٌ, (JK,) (assumed tropical:) He made pleasant, or agreeable,…

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• سَوْغُ

  هٰذَا سَوْغُ هٰذَا ذ and سَيْغُهُ (S, K) and (K) mean (tropical:) This is he who was born next after this, (S, K, TA,) or, as in the “ Mufradát, ” immediately after this; (TA;) and the like is also said of the female: (K…

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