hasten

verb

1. 1

   act or move at high speed

   We have to rush!

   hurry--it's late!

2. 2

   cause to occur rapidly

   the infection precipitated a high fever and allergic reactions

3. 3

   move fast

   He rushed down the hall to receive his guests

   The cars raced down the street

4. 4

   speed up the progress of; facilitate

   This should expedite the process