Antonyms of noun unsuitableness

1 sense of unsuitableness

Sense 1
unsuitability, unsuitableness, ineptness -- (the quality of having the wrong properties for a specific purpose)
       Antonym of suitableness (Sense 1)
      => suitability, suitableness -- (the quality of having the properties that are right for a specific purpose; "an important requirement is suitability for long trips")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun unsuitableness

1 sense of unsuitableness

Sense 1
unsuitability, unsuitableness, ineptness -- (the quality of having the wrong properties for a specific purpose)
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)