1.AdverbConsequently, by or in consequence of that or this cause; referring to something previously stated.
"Traditional values will always have a place—therefore, they will never lose relevance.; I've been explicitly forbidden to leave and therefore must stay longer.; I left the office at 5 o'clock. I was therefore not there when the fire started a quarter of an hour later."
2.AdverbFor that; for it (in reference to a previous statement).