يَقِنَهُ

, (S, Msb, K,) and يَقِنَ بِهِ; (Msb;) and ↓ أَيْقَنَهُ, (S, K,) and بِهِ ↓ ايقن; (K;) and ↓ تَيَقَّنَهُ; and ↓ اِسْتَيْقَنَهُ, (S, Msb, K,) and ↓ استيقن بِهِ; (K;) all signify the same; (S;) He knew it; he was, or became, certain, or sure, or he made sure, of it; synonym عَلِمَهُ; (Msb, K;) intuitively, and inferentially; (Msb;) [see 1 in article علم;] and تَحَقَقَّهُ. (K.)