Think | Webster's Dictionary (1865)

Thĭnk, v. i.

verbintransitive

v. i. [imp. & p. p. THOUGHT (thawt); p. pr. & vb. n. THINKING.] [A-S. thencean, thencan, thyncean, thyncan, O. Sax. thenkjan, Icel. thenkja, Sw. tänka, Dan. tänke, O. Fries. thenkja, thanka, Goth. thagkjan, thaggkjan, thankjan, O. H. Ger. dankjan, denkjan, denchan, thenkan, M. & N. H. Ger. & D. denken.] To employ any of the intellectual powers except sense and perception; hence, specifically, (a.) To exercise the mind; to call any thing to mind; to remember; as, I would have sent the books, but I did not think of it.

Well thought upon; I have it here. Shak.

For that I am I know, because I think. Dryden.

(b.) To reflect upon any subject; to muse; to meditate; to consider; to deliberate.

And when he thought thereon, he wept. Mark xiv. 72.

He thought within himself, saying, What shall I do, because I have no room where to bestow my fruits? Luke xii. 17.

(c.) To ponder anxiously; hence, to give way to grief or despondency. [Obs.] Marston. (d.) To form an opinion; to judge; to believe; as, I think it will rain to-morrow.

Let them marry to whom they think best. Num. xxxvi. 6.

(e.) To purpose; to intend; to design.

I thought to promote thee unto great honor. Num. xxiv. 11.

Thou thought’st to help me. Shak.

(f.) To presume; to venture.

Think not to say within yourselves, We have Abraham to our father. Matt. iii. 9.

☞ To think, in a philosophical use as yet very limited, designates the higher intellectual acts, the acts pre-eminently rational; to judge; to compare; to reason. See THOUGHT.

To think much of, or to think well of, to hold in esteem; to esteem.

Synonyms—To expect; guess; cogitate; reflect; ponder; contemplate; meditate; muse; imagine; suppose; believe. See EXPECT, GUESS.

Think, v. t.

verbtransitive

v. t. [See supra.] 1. To conceive; to imagine. Charity . . . thinketh no evil. 1 Cor. xiii. 4, 5.

To plan or design; to plot; to compass. “To think the death of her own son.” Beau. & Fl.
To believe; to consider; to esteem. “Nor think superfluous others’ aid.” Milton.

To think much, to esteem a great matter; to grudge. “He thought not much to clothe his enemies.” Milton.—To think scorn, to disdain; to scorn. “He thought scorn to lay hands on Mordecai alone.” Esth. iii. 6.

Think, v. i.

verbintransitive

v. i. [A-S. thyncéan, thyncan, O. Sax. thunkjan, Goth. thagkjan, O. Fries. thinka, thinzia, tinsa, O. H. Ger. dunchen, M. H. Ger., L. Ger., & D. dunken, N. H. Ger. dünken, Dan. tykke, tykkes.] To seem or appear;—used chiefly in the phrases methinketh or methinks, and methought.

☞ These are genuine Anglo-Saxon phrases, equivalent to it seems to me, it seemed to me. In these expressions, me is actually in the dative case,—almost the only instance remaining in the language.