SIGNIFICANCY
Noun
significancy (countable and uncountable, plural significancies)
(dated) significance
Source: Wiktionary
Sig*nif"i*cance, Sig*nif"i*can*cy, n. Etym: [L. significantia.]
1. The quality or state of being significant.
2. That which is signified; meaning; import; as, the significance of
a nod, of a motion of the hand, or of a word or expression.
3. Importance; moment; weight; consequence.
With this brain I must work, in order to give significancy and value
to the few facts which I possess. De Quincey.
Source: Webster’s Unabridged Dictionary 1913 Edition