Wordnet 3.0
ADVERB (1)
1. 
 subsequently or soon afterward (often used as sentence connectors); 
- Example: "then he left"- Example: "go left first, then right"- Example: "first came lightning, then thunder"- Example: "we watched the late movie and then went to bed"- Example: "and so home and to bed"[syn: then, so, and so, and then]
WordNet (r) 3.0 (2006):
and so
    adv 1: subsequently or soon afterward (often used as sentence
           connectors); "then he left"; "go left first, then right";
           "first came lightning, then thunder"; "we watched the
           late movie and then went to bed"; "and so home and to
           bed" [syn: then, so, and so, and then]