second_thought
1. [ noun ] (psychology) thinking again about a choice previously made
Synonyms: afterthought rethink reconsideration
Examples:

"he had second thoughts about his purchase"

Related terms: reversal rethink
Similar spelling:   second_sight
  second_growth
  second-hand_store
  second_gear
  second_best
  second-sighted
  secondary_school
  second_trimester
  Second_Reich
  second_joint
  second_childhood
  secondary_storage
  second_person
  second_period
  second_moment
  second_estate
  second_cousin
  Second_Coming
  Second_Advent
  second_nature
  second_balcony