SINCE

Since ( adv. ) - From a definite past time until now; as, he went a month ago, and I have not seen him since.

Since ( adv. ) - In the time past, counting backward from the present; before this or now; ago.

Since ( adv. ) - When or that.

Since ( conj. ) - Seeing that; because; considering; -- formerly followed by that.

Since ( prep. ) - From the time of; in or during the time subsequent to; subsequently to; after; -- usually with a past event or time for the object.