فَكَرَ فِيهِ

, (O, * Msb, K,) aorist فَكُرَ , (O, TK,) or فَكِرَ , (Msb,) verbal noun فَكْرٌ; (S, O, Msb, K; *) and ↓ أَفْكَرَ; (S, O, Msb, K;) and ↓ فكّر, (S, O, K,) [which is more common than either of the first and second,] verbal noun تَفْكِيرٌ; (O, TA;) and ↓ تفكّر; (S, O, Msb, K;) and ↓ افتكر, (Msb, TA,) but this last is vulgar; (TA;) He thought upon it, considered it, or examined it [mentally]; (Msb;) he considered it in order to obtain a clear knowledge of it; (S, O, * TA;) he employed his mind, (M, TA,) or his consideration, (K, TA,) upon it. (M, K, TA.) [See also فِكْرٌ.]