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! Are you SO confused about when to use so or so that ? In this grammar lesson, we will look at when and how to use so , so that and so _____ that. SO definition: in the way or manner indicated, described, or implied. See examples of so used in a sentence. You use so when you are saying that something which has just been said about one person or thing is also true of another one. I enjoy Ann's company and so does Martin. 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 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. Don’t hesitate to start a sentence with So. It’s a coordinating conjunction, and great writers have been starting sentences with conjunctions for hundreds of years. You can remember the coordinating conjunctions by referring to the acronym BOYFANS: b ut, o r, y et, f or, a nd, n or, s o. You can begin a sentence with any of these. And you. We use so with be and with modal and auxiliary verbs to mean ‘in the same way’, ‘as well’ or ‘too’. We use it in order to avoid repeating a verb, especially in short responses with pronoun subjects. Find the latest The Southern Company (SO) stock quote, history, news and other vital information to help you with your stock trading and investing.