The term "trillionfold" means something increased by a factor of one trillion times. Some synonyms for this word include infinitely, immeasurably, incalculably, and boundlessly. Other possible synonyms include exceedingly, vastly, and enormously. These words clearly convey the sense of something being increased to an immense degree, whether it is in size, number, or scope. Words like "unfathomable," "limitless," and "infinite" can also be used to describe something that has been multiplied or expanded in such an extreme way. Overall, the synonyms for "trillionfold" highlight the magnitude and vastness of the change being described.