We don't have synonyms for indictions yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are indication, induction and indications.
(n) :
(historical) A fiscal period of fifteen years, instituted by Constantine in 313 C.E. (but counting from 1st September 312), used throughout the Middle Ages as a way of dating events, documents etc.
(n) :
(historical) The decree made by Roman emperors which fixed the property tax for the next fifteen years.
(n) :
(historical) A fiscal period of fifteen years, instituted by Constantine in 313 C.E. (but counting from 1st September 312), used throughout the Middle Ages as a way of dating events, documents etc.
(n) :
(historical) The decree made by Roman emperors which fixed the property tax for the next fifteen years.