järjestän

Järjestöön is the illative form of the Finnish noun järjestö, meaning an organization or association. The illative case in Finnish expresses direction toward or into something, and it is commonly used with verbs that indicate movement, entering a group, or joining a body. In practice, järjestöön is used to talk about moving toward or becoming part of an organization.

Common uses include joining and belonging. With the verb liittyä, you say liittyä järjestöön to mean “to join the organization.” With kuulua, you say kuulua järjestöön to mean “to belong to the organization.” Examples: Hän liittyi järjestöön viime vuonna (He joined the organization last year). Hän kuuluu järjestöön (He/She belongs to the organization).

Orthography and grammar note: järjestöön follows Finnish vowel harmony rules for illative forms. The illative suffix for a noun ending in front vowels like ö is -öön, yielding järjestöön. This form is distinct from other cases and is not interchangeable with genitive or partitive forms of järjestö.

Etymology and related forms: järjestö originates from a root meaning to organize or arrange, extended to mean a recognized group. The illative form järjestöön is a standard grammatical construction in Finnish, used whenever a sentence requires “to/into the organization.” Other illative examples use different bases but share the same case function.

See also: Finnish illative case, Finnish noun inflection, organização in Finnish terms.