Synonyms of have second thoughts in English:

have second thoughts

See definition of second thoughts


1‘I had second thoughts about the original review myself’

rethink, reconsider, review, revise, re-examine, re-evaluate, reassess, reappraise, think better of, think over, take another look at, look at in a different light, have another think about
change, alter, modify
think again, think twice, review one's position, come round, change one's mind