Silver-tongued

silver-tongued devil

Source: wiktionary

Siluer tongu'd Smith whoſe well tun'd ſtile hath made thy death the generall teares of the Muſes, queintlie couldſt thou deuiſe heauenly Ditties to Apollos Lute, and teach ſtately verſe to trip it as ſmoothly, as if Ouid and thou had but one ſoule.

Source: wiktionary

Mr. [Thomas] Parker ſoon became a pleader at the bar; travelled the Midland circuit; acquired additional eſteem, buſineſs, and property; vvas denominated the Silver-tongued Counſel; and found intereſt enough, in 1705, to cauſe himſelf to be returned a member for the borough, vvith Lord James Cavendiſh, ſon to the firſt Duke of Devonſhire.

Source: wiktionary

[T]he statesman, whose inward feelings had at first so much impeded his efforts to make himself known, had now regained all the ease and fluency of a silver-tongued lawyer of the very highest order.

Source: wiktionary