arvoiset
Arvoiset is a Finnish term that appears in formal address forms as an inflected form of the adjective arvoisa, meaning esteemed or honorable. In standard Finnish, the common direct-address form before a plural noun is arvoisat (for example, Arvoisat kuulijat – Esteemed listeners). The spelling arvoiset is rarely used in modern formal Finnish and is generally considered nonstandard or dialectal; when encountered, it may reflect historical orthography or regional variation rather than contemporary practice.
Etymology and form: The word derives from the root arvo- meaning value or worth, combined with the
Usage and register: Arvoisat is employed in formal speeches, official ceremonies, salutations in letters, and ceremonial
Alternatives and notes: The phrase Arvoisat ... is often complemented by other respectful openings such as Hyvät
See also: Finnish language, honorifics, polite speech, formal address in Finnish.