WordWeb Online

1. With rapid movements
   "he works apace"
   - quickly, rapidly, speedily, chop-chop
    
2. [N. Amer] Alongside each other, facing in the same direction
   - abreast

1. Being up to particular standard or level especially in being up to date in knowledge
   "kept apace of the latest developments"
   - abreast, au courant, au fait, up on

See also: informed

Encyclopedia: Apace