Synonyms for Have second thoughts:

• v.

  •back-pedal (verb)
  • renege,
  • do a u-turn,
  • take back.
  •reconsider (verb)
  • polish,
  • rework,
  • emend,
  • go over,
  • rearrange,
  • correct,
  • rehash,
  • retrace,
  • reexamine,
  • amend,
  • run through,
  • revise.
  •reevaluate (verb)
  • re evaluate,
  • re-evaluates,
  • re evaluated,
  • re evaluates,
  • re evaluating.
  •rethink (verb)
  • re thinking,
  • re thinks,
  • re-thinking,
  • re thought,
  • re think,
  • re-think,
  • re-thinks,
  • re-thought.

• Other synonyms:

  •Other relevant words:
  • reevaluate,
  • recheck,
  • think over,
  • work over,
  • back pedal,
  • think twice,
  • re-examined,
  • reassessing,
  • thinking over,
  • rechecked,
  • replanning,
  • reconsider,
  • shift one's ground,
  • thought over,
  • fail to honor,
  • change one's mind,
  • sing a different song,
  • back-pedal,
  • take another look,
  • re-examines,
  • worked over,
  • reweighed,
  • replan,
  • do an about-face,
  • reassesses,
  • go back on,
  • think better of,
  • consider again,
  • see in a new light,
  • thinking twice,
  • reassessed,
  • sleep on,
  • re-examining,
  • re-examine,
  • go into reverse,
  • change opinion,
  • rechecking,
  • change mind,
  • reassess,
  • back out of,
  • reweigh,
  • default on.
  •reevaluate
  • re-evaluate,
  • re-evaluating,
  • re-evaluated.
  •Other relevant words (noun):
  • come round,
  • review,
  • rethink,
  • wheel,
  • tergiversate,
  • backpedal.

Antonyms for Have second thoughts:

• v.

  • reconsider
    ignore, spoil, refuse.