<p><strong>Adverb</strong></p><ul><li>in the way or manner indicated, described, or implied: Do it so.</li><li>in that or this manner or fashion; thus: So it turned out.</li><li>in the aforesaid state or condition: It is broken and has long been so.</li><li>to the extent or degree indicated or suggested: Do not walk so fast.</li><li>Informal. very or extremely: I'm so sad.</li><li>Informal. (used with the word "not" or in a generally negative statement to emphasize an adjective, noun phrase, or clause) really; surely: My mom is so going to kill me! That is so not funny!</li><li>very greatly: My head aches so!</li><li>(used before an adverb or an adverbial clause and followed by as) to such a degree or extent: so far as I know.</li><li>having the purpose of: a speech so commemorating the victory.</li><li>for this or that reason; hence; therefore: She is ill, and so cannot come to the party.</li><li>(used as an affirmative to emphasize or confirm a previous statement) most certainly: I said I would come, and so I will.</li><li>(used as an emphatic affirmative to contradict a previous statement) indeed; truly; too: I was so at the party!</li><li>likewise or correspondingly; also; too: If he is going, then so am I.</li><li>in such manner as to follow or result from: As he learned, so did he teach.</li><li>in the way that follows; in this way: The audience was seated, and so the famous speech began.</li><li>in the way that precedes; in that way: So ended the speech, and the listeners arose and cheered.</li><li>in such way as to end in: So live your life that old age will bring you no regrets.</li><li>then; subsequently: and so to bed.</li></ul><p><strong>Conjunction</strong></p><ul><li>in order that (often followed by that): Check carefully, so any mistakes will be caught.</li><li>with the result that (often followed by that): He checked carefully, so that the mistakes were caught.</li><li>on the condition that; if.</li></ul><p><strong>Pronoun</strong></p><ul><li>such as has been stated: to be good and stay so.</li><li>something that is about or near the persons or things in question, as in number or amount: Of the original twelve, five or so remain.</li></ul><p><strong>Interjection</strong></p><ul><li>(used as an exclamation of surprise, shock, discovery, inquiry, indifference, etc., according to the manner of utterance.)</li></ul><p><strong>Adjective</strong></p><ul><li>true as stated or reported; conforming with reality or the fact: Say it isn't so.</li></ul>