Synonyms for afterthought

Noun

1. reconsideration, second thought, afterthought, rethink, reversal, change of mind, flip-flop, turnabout, turnaround

usage: thinking again about a choice previously made; "he had second thoughts about his purchase"

2. afterthought, addition, add-on, improver

usage: an addition that was not included in the original plan; "the garage was an afterthought"