begin — To begin to do something means to start doing it.
precede — to go before, as in place, order, rank, importance, or time.
start — to begin or set out, as on a journey or activity.
cause — a person or thing that acts, happens, or exists in such a way that some specific thing happens as a result; the producer of an effect: You have been the cause of much anxiety. What was the cause of the accident?
