1. the time of day when light first appears; daybreak
2. the beginning or early stage of something

1. to begin to become light in the morning
2. to begin to appear or develop
3. to begin to be understood or realized
Usage: often used with ‘on’ or ‘upon’

Examples

• We woke up at dawn to watch the sunrise.
• The dawn of the internet age changed everything.
• Day was dawning as we reached the summit.
• A new era of peace dawned after the treaty.
• It suddenly dawned on me that I had forgotten my keys.
• The truth finally dawned upon her.
• They left before dawn to avoid traffic.
• This discovery marks the dawn of modern medicine.