___ out (withdraws), 4 letters
Acts on a preference, 4 letters
Checks a particular box, 4 letters
Chooses not to participate, with out, 4 letters
Co-___ (appropriates), 4 letters
Comes to a decision, 4 letters
Decides on (with for), 4 letters
Decides to leave, with out, 4 letters
Declines (with out of), 4 letters
Declines to participate, with out, 4 letters
Declines to take part, with out, 4 letters
Doesn't decline, with in, 4 letters
Gets off the fence, so to speak, 4 letters
Gets off the metaphorical fence, 4 letters
Goes with, with 'for', 4 letters
Makes a choice (for), 4 letters
Makes a choice [and one more example of this puzzle's theme], 4 letters
Makes up one's mind, 4 letters
Makes up one's mind (to), 4 letters
Puts an end to wavering, 4 letters
Settles on, with for, 4 letters
States a preference, 4 letters
Stops being indecisive, 4 letters
Stops shilly-shallying, 4 letters
Takes two from Column B, 4 letters
Takes two from Column B, e.g., 4 letters
Unsubscribes, with out, 4 letters
Withdraws (with out), 4 letters
Withdraws, with out, 4 letters
Decides to critique harshly?, 11 letters
Chooses to get e-mail, maybe, 6 letters
Chooses to participate, 6 letters
Decides to participate, 6 letters
Chooses nonparticipation, 7 letters
Chooses not to participate, 7 letters
Declines participation, 7 letters