[1]
فَكَرَ فِيهِ , (O, * Msb, K,) aor.
فَكُرَ , (O, TK,)
or
فَكِرَ , (Msb,) inf. n. 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,] inf. n. 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.]