toteutuneista
Toteutuneista is a Finnish grammatical form derived from the verb toteutua, meaning to come true or to be realized. It is the elative plural form of the past participle toteutunut, and is used to refer to things that have already been realized, implemented, or actualized. The form often expresses the source or basis of information, observations, or evaluation, by indicating that the referred elements come from things that have happened or been completed.
In practice, toteutuneista is commonly attached to nouns in the elative plural, such as suunnitelmista, tavoitteista,
Etymology and related forms: toteutunut is the past participle of toteutua; adding -ista to the elative plural
See also: toteutua, toteutuneet, elatiivi (elative case), Finnish participles.