The word "showest" is a verb that refers to displaying, exhibiting or revealing something. Some synonyms for this word include showcasing, illustrating, demonstrating, presenting, unveiling, disclosing, expressing, manifesting, displaying, revealing, and indicating. Each of these words can be used in place of "showest" to indicate an action of displaying something to an audience or group. Depending on the context, certain synonyms for "showest" may be more appropriate than others, but they all convey a similar meaning of showcasing or presenting something. It's important to choose the right synonym to accurately convey the intended message.