Ergo

Adverb

 * 1) Consequently, therefore.

Conjunction

 * 1) therefore (especially in syllogisms).

Thesaurus
accordingly, because of that, because of this, consequently, for that, for that cause, for that reason, for this cause, for this reason, for which reason, hence, hereat, on that account, on that ground, on this account, propter hoc, so, then, thence, thereat, therefor, therefore, thereupon, thus, thusly, thuswise, whence, wherefore, wherefrom