Crossword Puzzle Offered formally

Clue: Offered formally

Surrendered formally (CEDED with 5 letters)
The Fonz, formally (ARTHUR with 6 letters)
Friendly Islands, formally (TONGA with 5 letters)
Baseball team that offered the first million-dollar-a-year deal (ASTROS with 6 letters)
Declares formally (PROCLAIMS with 9 letters)
Thanked formally (SENTANOTE with 9 letters)
Offered as proof (ADDUCED with 7 letters)
Picked up at school, formally (LEARNT with 6 letters)
Twain, formally (MRSAMUELCLEMENS with 15 letters)
Put forward formally (ENTERED with 7 letters)