noun
smile diplomacy
A diplomatic approach that emphasizes friendliness, goodwill, and a pleasant demeanor to build relationships and resolve conflicts.
その国は微笑外交で近隣諸国との関係を改善しようとしている。
That country is trying to improve relations with its neighbors through smile diplomacy.
Standard kanji spelling.
Variant with okurigana み; less common but still used.
Compound of 微笑 (ほほえみ, 'smile') and 外交 (がいこう, 'diplomacy').