turvallisen
Turvallisen is the genitive singular form of the Finnish adjective turvallinen, meaning safe, secure, or reliable. It functions as an attributive or predicative modifier in phrases where the noun it describes is in the genitive case. For example, turvallisen ohjauksen suunnittelu translates roughly to “the design of safe guidance” or “the design of secure control,” depending on context.
Morphology in Finnish adjectives involves agreement with the noun in number and case. The base form is
Etymology traces turvallisen to the root turva, meaning safety or protection, combined with the adjectival suffix
Usage notes include the fact that turvallinen and its inflected forms are not standalone nouns; they modify
See also: Finnish grammar, Finnish adjectives, turva, safety in technical terminology.