Webster's Revised Unabridged Dictionary · 1913

So

So , adverb

[Old English so, sa, swa, Anglo-Saxon swā; akin to OFries, , s{not transcribed}, Dutch zoo, Old Saxon & Old High German s{not transcribed}, German so, Icelandic svā, sv{not transcribed}, svo, so, Swedish s{not transcribed}, Danish saa, Gothic swa so, sw{not transcribed} as; compare Latin suus one's own, Sanskrit sva one's own, one's self. r192. Compare As, Custom, Ethic, Idiom, Such.]

1.
In that manner or degree; as, indicated (in any way), or as implied, or as supposed to be known.
Why is his chariot so long in coming? — Judges v. 28
2.
In like manner or degree; in the same way; thus; for like reason; whith equal reason; -- used correlatively, following as, to denote comparison or resemblance; sometimes, also, following inasmuch as.
As a war should be undertaken upon a just motive, so a prince ought to consider the condition he is in. — Swift
3.
In such manner; to such degree; -- used correlatively with as or that following; as, he was so fortunate as to escape.
I viewed in may mind, so far as I was able, the beginning and progress of a rising world. — T. Burnet
He is very much in Sir Roger's esteem, so that he lives in the family rather as a relation than dependent. — Addison
4.
Very; in a high degree; that is, in such a degree as can not well be expressed; as, he is so good; he planned so wisely.
5.
In the same manner; as has been stated or suggested; in this or that condition or state; under these circumstances; in this way; -- with reflex reference to something just asserted or implied; used also with the verb to be, as a predicate.
Use him [your tutor] with great respect yourself, and cause all your family to do so too. — Locke
It concerns every man, with the greatest seriousness, to inquire into those matters, whether they be so or not. — Tillotson
He is Sir Robert's son, and so art thou. — Shakespeare
6.
The case being such; therefore; on this account; for this reason; on these terms; -- used both as an adverb and a conjuction.
God makes him in his own image an intellectual creature, and so capable of dominion. — Locke
Here, then, exchange we mutually forgiveness; So may the guilt of all my broken vows, My perjuries to thee, be all forgotten. — Rowe
7.
It is well; let it be as it is, or let it come to pass; -- used to express assent.
And when 't is writ, for my sake read it over, And if it please you, so; if not, why, so. — Shakespeare
There is Percy; if your father will do me any honor, so; if not, let him kill the next Percy himself. — Shakespeare
8.
Well; the fact being as stated; -- used as an expletive; as, so the work is done, is it?
9.
Is it thus? do you mean what you say? -- with an upward tone; as, do you say he refuses? So? [Colloquial]
10.
About the number, time, or quantity specified; thereabouts; more or less; as, I will spend a week or so in the country; I have read only a page or so.
A week or so will probably reconcile us. — Gay
So do, as thou hast said. — Gen. xviii. 5
As a flower of the field, so he flourisheth. — Bible (KJV) - Psalm ciii. 15
Had woman been so strong as men. — Shakespeare
No country suffered so much as England. — Macaulay

See the Note under Ill, adv.

So , conjunction

Provided that; on condition that; in case that; if.
Though all the winds of doctrine were let loose play upon the earth, so truth be in the field, we do injuriously, by licensing and prohibiting, to misdoubt her strength. — Milton

So , interjection

Be as you are; stand still; stop; that will do; right as you are; -- a word used esp. to cows; also used by sailors.