THAT IS TO SAYthat is to say · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:THAT IS TO SAYTier 1Ordinal157Pythagorean40Classical148Reverse140Reverse Reduction68Standard1346Final Large1346Ordinal122Reduced32Atbash179Isopsephy1491Ordinal141Abjad1448