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.
1. For that reason; therefore: This is the easiest way to get there, so don't argue. 2. With the result or consequence that: He failed to appear, so we went on without him. 3. With the purpose that: I stayed.
Definition of so conjunction in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.