1. Increasing by successive addition
   "the eventual accumulative effect of these substances"
   - cumulative 
2. Marked by acquiring or amassing
   "we live in an accumulative society"

See also: accumulate, acquisitive, additive

• contour sheet
• contra danse
• contra-
• contraband
• contrabandist
• contrabass
• contrabassoon
• contraception
• contraceptive
• contraceptive device
• contraceptive diaphragm
• contraceptive method
• contraceptive pill
• contraclockwise
• contract
• contract bridge
• contract in
• contract killing
• contract law
• contract of adhesion
• contract of hazard
• contract offer
• contract out
• contract under seal
• contractable