about-face, afterthought, afterthoughts, ambitendency, ambivalence, better thoughts, capriciousness, change of mind, changeableness, developed thought, double-mindedness, dubiety, dubiousness, fence-sitting, fence-straddling, fickleness, flip-flop, flip, inconstancy, indecision, indecisiveness, infirmity of purpose, instability, irresolution, mature judgment, mature thought, mercuriality, mugwumpery, mugwumpism, re-examination, reappraisal, reconsideration, rethinking, revaluation, reversal, reverse, review, right-about-face, right-about, ripe idea, second thought, tergiversating, tergiversation, turnabout, turnaround, uncertainty, undecidedness, undeterminedness, unsettledness, unsettlement, volte-face