وهم1 وَهِمَ فِى الحِسَابِ, (S, Mgh, Msb, K,) aor. ـْ inf. n. وَهْمٌ, (S, Msb,) He committed an error, or a mistake, in the reckoning, or calculation; (S, Mgh, Msb, K;) as also فِيهِ ↓ أَوْهَمَ: (Mgh, Msb:) and committed an inadvertence therein. (S.) [And in like manner, فِى قَوْلِهِ in  his saying.] It is said in a trad. of 'Alee, إِنَّمَا السَّادِقُ هٰذَا ↓ قَالَ الشَّاهِدَانِ أَوْهَمْنَا or وَهِمْنَا accord. to different readings [The two witnesses said, We have committed a mistake, or misconception: the thief is only this]. (Mgh.) b2: وَهَمْتُ الشَّىْءَ, (Mgh, Msb, *) aor. ـِ inf. n. وَهْمٌ, (Mgh,) [I thought of the thing;] the thing occurred in my mind. (Mgh, Msb, *) And وَهَمْتُ فِى الشَّىْءِ, (S, K,) or إِلَى الشَّىْءِ, (Msb,) aor.  as above, (S, Msb, K,) and so the inf. n., (S, Msb,) I thought of the thing, (S, Msb, K,) while  desiring to think of another thing. (S, Msb.) 2 وَهَّمَ see 4.4 أَوْهَمَهُ He made him to think [or imagine a thing]; as also ↓ وَهَّمَهُ. (S, K.) أَوْهَمَهُ كَذَا He made him to think, or suspect, such a thing. (MA.) b2:  See 8. b3:  أَوْهَمَ: see وَهِمَ. b4:  أَوْهَمَ فِيهِ also signifies He doubted respecting it. (Mgh.) 5 تَوَهَّمَ is properly rendered He presumed, surmised, fancied, or supposed a thing: and تَوَهُّمًا, upon presumption, surmise, or supposition; and suppositively: see وَهْمٌ; and خَالَ and خَالٌ. b2:  تَوَهَّمَ He thought; (S, K;) he imagined a thing: (TA:) he doubted: see an ex., in a verse of 'Antarah, cited voce مُتَرَدَّمٌ.8 اِتَّهَمَهُ بِكَذَا (Msb, K) and أَتْهَمَهُ بِهِ (Az, K) and بِهِ ↓ أَوْهَمَهُ (K) He made him an object of imputation, or suspected him, of such a thing; he imputed to him such a thing. (Msb, K, TA.) See art. تهم. b2:  أَتْهَمَهُ بِكَذَا, as also اِتَّهَمَهُ بكذا, and بكذا ↓ أَوْهَمَهُ, He suspected him of such a thing; i. e., of a thing that was attributed to him. (Marg. note in K.) [This is the signification commonly obtaining. See an ex. in the TA, voce سِخَاب. b3:  Also, the second, He accused him of such a thing.]وَهْمٌ A thought, or an idea, occurring in the mind: (Mgh, Msb, * K: *) pl. أَوْهَامٌ: (Msb:) or of the two extremes [or different opinions or ideas] between which one wavers, that which is outweighed [in probability]. (K.) An [indecisive] opinion or idea outweighed in probability [or formed from evidence outweighed in probability; a presumption; a surmise; a fancy; a supposition]: opposed to ظَنٌّ, q. v. (Kull, p. 376.) b2:  Also Doubt, or suspicion: but for this I have found no authority; though it is well known, and plainly indicated in the Msb, in art. خيل; voce خَيَّلَ, q. v. in this Lex. b3:  Also The object of a thought, or of an idea, occurring in the mind. (Mgh.) And The mind itself, or intellect; syn. عَقْلٌ. (MF, TA.) In modern Arabic it signifies An imagination, a fancy, a chimera, and a conjecture.