sweet words; smooth talk; cajolery; flattery; sycophancy
甘言に乗せられて契約してしまった。
I was swayed by sweet talk into signing the contract.
詐欺師の甘言には注意が必要だ。
One must be wary of a con artist's smooth talk.
甘言を弄して相手の信頼を得た。
He gained the other party's trust through flattery.