Thereby

Part of speech: adverb (adv.)

1. By that; by that means; in consequence of that. Acquaint now thyself with him, and be at peace; thereby good shall come unto thee. Job xxii. 21.

2. Annexed to that. "Thereby hangs a tale." Shak.

3. Thereabout; -- said of place, number, etc. Chaucer.