FAIR GAME
Credit: NY Times Crossword - July 27, 1986
Jeanne Wilson

 The answers to the clues below will have something in common.

1. Beginning
2. Straightforward
3. Showing determination
4. Honest transaction
5. Properly arranged

Answers:

1. Square one
2. On the square
3. Square-shouldered
4. Square deal
5. Squared away