kauniiseen

Kauniiseen is the illative singular form of the Finnish adjective kaunis, meaning “beautiful.” It is used before a noun in the illative case, which marks direction toward or into something, and is commonly translated as “into a beautiful …” or “to a beautiful …” in English. In Finnish, adjectives decline to agree with the noun in case and number, so kaunis becomes kauniiseen when the modified noun is singular and in illative.

Examples include kauniiseen taloon (into a beautiful house), kauniiseen maailmaan (into a beautiful world), and kauniiseen päivään (into a beautiful day). The construction appears whenever the noun is singular and in illative; other cases use the corresponding adjective form, such as kauniissa talossa (in a beautiful house) or kaunis talo (a beautiful house) in the nominative.

Kauniiseen thus functions as a grammatical form rather than a separate lexical item. Its use helps convey movement toward or into a beautiful object and demonstrates how Finnish adjectives harmonize with the noun across different cases.