verb (used without object)
to conduct oneself or perform showily or ostentatiously in an attempt to impress onlookers: The senator doesn't hesitate to grandstand if it makes her point.
The noun grandstand, “the main seating area of a stadium, racetrack, parade route, etc.,” dates from the second half of the 18th century and was originally spelled as two words. The verb grandstand, “to conduct oneself or perform showily or ostentatiously in order to impress onlookers,” was originally used in baseball and dates from the early 20th century.
The debt limit debate allows politicians to grandstand on fiscal responsibility.
He used his political platform to grandstand over Italy’s Catholic identity and repeatedly found ways to poke European Union officials in the eye.
noun
the highest or culminating point, as of success, power, fame, etc.: the pinnacle of one's career.
English pinnacle comes from Middle English pinacle, pinnacle, penacle (and even more spellings) “upright architectural structure terminating in a gable or cone,” from Middle French, Old French pinacle, pinnacle “gable, top,” from Late Latin pinnāculum “peak (of a building), pinnacle.” Pinnāculum comes from pinna, a dialect variation of penna “feather, wing, raised part of a parapet,” and the usually diminutive suffix –(ā)culum. The figurative senses, such as “the highest point of success or power,” developed in the mid-15th century. Pinnacle entered English in the first half of the 14th century.
… the 13 tracks on Sgt. Pepper’s Lonely Hearts Club Band are the pinnacle of the Beatles’ eight years as recording artists.
That little golden statue, which will be handed out on February 9, represents the pinnacle of movie-making.
Tantivy, whether in its sense as an adverb “at a gallop,” adjective “quick,” noun “a gallop or rush,” or interjection “a hunting cry when the chase is on,” has no reliable etymology. The only etymology suggested is that tantivy is onomatopoeic, supposedly representing the sound of horses galloping. Tantivy entered English in the 17th century.
He was of a nature to ride tantivy into anything that promised excitement or adventure.
… he supposes himself as a wolf actually to have been galloping tantivy over hill and dale, through forest and bosky dingle ….