second thought Synonyms

rethink afterthought reconsideration uneasiness uncertainty uncertainties uncertainly twinge suspicion scruple revision wonder thinking again after thought doubts second thoughts rethinking question mark double take change of heart mental reservation arriere pensee review retrospect reservation compunction apprehensiveness apprehension analysis ambiguity amazement agnosticism agitation disillusion doubt hesitation reluctance question query quandary qualm postscript pause misgiving addendum