meaning of therefore
1. For that or this reason, referring to something previously stated; for that.
2. Consequently; by consequence.
3. used to introduce a logical conclusion from that fact or reason or as a result; "therefore X must be true"; "the eggs were fresh and hence satisfactory"; "we were young and thence optimistic"; "it is late and thus we must go"; "the witness is biased and so cannot be
">trusted"