FORMAL SYSTEMformal system · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:FORMAL SYSTEMTier 1Ordinal166Pythagorean49Classical155Reverse158Reverse Reduction68Standard926Final Large1486Ordinal143Reduced44Atbash186Isopsephy1886Ordinal185Abjad928