1. Highly significant or important especially bringing about or marking the beginning of a new development or era
   "epochal decisions made by Roosevelt and Churchill"
   - epoch-making

See also: epoch, important, significant

• voice of conscience
• voice over
• voice part
• voiced
• voiced sound
• voiceless
• voiceless consonant
• voicelessness
• voicemail
• voiceprint
• voicer
• voicing
• void
• voidable
• voidance
• voider
• voiding
• voila
• voile
• voix céleste
• vol-au-vent
• vol.
• volaille
• Volans
• volant