"Show by ribands" is an outdated phrase that refers to displaying something in a decorative or flashy manner by using ribbons. Synonyms for this phrase include "display with flair," "parade with ribbons," "exhibit in a festive way," and "present with festive trimmings." These phrases generally connote a celebratory or joyous mood and imply that the object or item being displayed is of value or significance. While "show by ribands" may seem archaic, its synonyms demonstrate that the concept of displaying something in a festive or decorative way continues to be relevant.