WordWeb Online

1. A series with a definite pattern of advance
   - patterned advance
    
2. A movement forward
   "he listened for the progression of the troops";
   - progress, advance
    
3. The act of moving forward (as toward a goal)
   - progress, procession, advance, advancement, forward motion, onward motion

Derived forms: progressions

Type of: change of location, motion, move, movement, series, travel

Encyclopedia: Progression, software