the gift of the gabELOQUENCE, fluency, expressiveness, a silver tongue, persuasiveness, a way with words, blarney
[TahlilGaran] Dictionary of Contemporary English ▲
gift of the gab{n. phr.}, {informal} Skill in talking; ability to make interesting talk that makes people believe you.
Many men get elected because of their gift of gab.
Mr. Taylor's gift of gab helped him get a good job. [TahlilGaran] English Idioms Dictionary ▲