teoreettisista

Teoreettisista is the partitive plural form of the Finnish adjective teoreettinen, meaning "theoretical." It is used when an adjective describing theoretical aspects modifies a plural noun in the partitive case, a common construction in Finnish academic and analytical writing. For example, in the phrases teoreettisista näkökulmista ("from theoretical perspectives") and teoreettisista lähtökohdista ("from theoretical starting points"), the form teoreettisista agrees with the plural noun and with the partitive case.

The formation comes from the stem teoreett- with the standard partitive plural ending -ista/-istä, depending on vowel harmony. The form signals non-finality or indefiniteness, often within a larger discussion of theory rather than concrete instances.

In typical usage, teoreettisista appears in contexts contrasting theory with practice or data; it is common in scholarly writing, literature reviews, and theoretical discussions. It is not a standalone noun but an adjective in its inflected form.

See also Teoreettinen; Finnish grammar; Partitive case; Adjectives in Finnish.