Chose to join, with in, 5 letters
Didn't take part, (with out), 5 letters
Ended the agonizing, 5 letters
Exercised one's discretion, 5 letters
Expressed a preference, 5 letters
Made a decision//Made a choice, 5 letters
Pointed a finger at, perhaps, 5 letters
Showed a preference, 5 letters
Withdrew (with out), 5 letters
Chose to participate, 7 letters
Chose to participate, as with an e-mail list, 7 letters
Decided to participate, 7 letters
Chose not to participate, 8 letters
Chose not to take part, 8 letters
Chose, as an action, 7 letters
Decided on a course of action, 7 letters