The day we were all together

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Across
  1. 3. To come together in one place!
  2. 5. Filled up completely!
  3. 7. Someone who's with you, like a friend!
  4. 8. Joined together as one!
Down
  1. 1. Done together!
  2. 2. A round shape with no corners!
  3. 4. Showing love and warmth!
  4. 6. A big group of people!