1. Excessively forward
   "an assumptive person"
   - assuming, presumptuous 
2. Accepted as real or true without proof
   "assumptive beliefs"

See also: acknowledged, assume, forward

• Acheta domestica
• achievability
• achievable
• achieve
• achievement
• achiever
• Achille Ratti
• achillea
• Achillea millefolium
• Achillea ptarmica
• Achilles
• Achilles tendon
• Achilles' heel
• achimenes
• aching
• achingly
• achira
• achiral
• achlamydeous
• achlorhydria
• achlorhydric
• Achmad Sukarno
• Achoerodus
• Achoerodus gouldii
• acholia