ideatum
noun
(in epistemology) the object of knowledge as known by the mind.
The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Mgr. had returned my paper, in which I drew out my plan, saying, 'Mi piace immensamente,' and repeated several times that the plan was 'ben ideata.'
From Memoirs of James Robert Hope-Scott, Volume 2 by Robert Ornsby