1. With reference to the origin or beginning
   - primitively, originally 
2. Before now
   - in the first place, earlier, to begin with, originally

Encyclopedia: In the beginning

• acclimatisation
• acclimatise
• acclimatization
• acclimatize
• acclivitous
• acclivity
• accolade
• accommodate
• accommodating
• accommodating IOL
• accommodating lens implant
• accommodatingly
• accommodation
• accommodation endorser
• accommodation ladder
• accommodation reflex
• accommodational
• accommodative
• accommodator
• accompanied
• accompaniment
• accompanist
• accompany
• accompanying
• accompanying vein