Official SAT Vocab
The March 2026 SAT Vocab Survey + Quiz - US Version
๐ SAT Vocabulary Flashcards Card 1 of 17 substantiate verb Root: SUB- (under) + STANT- (stand) ๐ Click to flip to provide evidence to support or prove true "The scientist needed months of additional experiments to substantiate her initial hypothesis." โ Previous ๐ Shuffle Next โ ๐ March 14, 2026 Official SAT Vocabulary Quiz Mr.