Istuttava
Istuttava is a Finnish adjective used to describe something that is suitable or comfortable to sit on or in. It is formed as a present active participle with the suffix -ttava and is most commonly used in attributive position before a noun. In practice, istuttava characterizes furniture, surfaces, or spaces by their seating suitability or comfort.
Common examples describe everyday seating: istuttava tuoli (a chair that is comfortable to sit on), istuttava
Grammatical forms follow standard Finnish adjective agreement. Comparative and superlative forms exist: istuttavampi means more suitable
Note that istuttava is distinct from istutettava, which is the passive form connected to the verb istuttaa