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signality

noun
sig·​nal·​i·​ty | \sigˈnalətē\
plural -es

Definition of signality 

: the quality or state of being notable or outstanding : significance

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First Known Use of signality

1650, in the meaning defined above

History and Etymology for signality

signal entry 3 + -ity

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The first known use of signality was in 1650

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