So is an English word that, apart from its other uses, has become increasingly popular in recent years as a coordinating conjunctive opening word in a sentence. This device is particularly used when answering questions although the questioner may also use the device. So may also be used to end sentences. When ending a sentence, it may be: a coordinating conjunctive to refer backwards to. Synonyms for SO: therefore, thus, consequently, hence, accordingly, in consequence, wherefore, thereupon; Antonyms of SO: otherwise, differently, conversely. SO definition: 1. very, extremely, or to such a degree: 2. used before a noun or before not to emphasize what…. Learn more. Define so. so synonyms, so pronunciation, so translation, English dictionary definition of so. in the way or manner indicated; in order that: Please RSVP so that we’ll know how many reservations to make.; to the extent or degree indicated: I feel so. So - English Grammar Today - a reference to written and spoken English grammar and usage - Cambridge Dictionary 34 meanings: 1. to such an extent 2. to the same extent as 3. (intensifier) 4. in the state or manner expressed or implied 5.. Click for more definitions. This article will provide you with all of the information you need on the word so, including its definition, etymology, usage, example sentences, and more! So, adj., used sometimes as ‘too’ and ‘just the same’ are used to intensify an assertion in reply to an expression of scepticism. ‘You don't know anything about it!’ ‘I do so!’ The meaning of SO is in a manner or way indicated or suggested —often used as a substitute for a preceding clause. How to use so in a sentence. Using So as a Conjunction: Usage Guide Find the latest The Southern Company (SO) stock quote, history, news and other vital information to help you with your stock trading and investing.