n. The state or quality of being suitable, adapted or accommodated; suitability; fitness; propriety; agreeableness.
n. The result of being suitable.
The Century Dictionary and Cyclopedia
n. The state or quality of being suitable, in any sense.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of having the properties that are right for a specific purpose
Word Usage
"My head of department sometimes makes neutral or complimentary comments on my clothes suitableness of shirt colour, that kind of thing and I find it, not exactly inappropriate, but a bit odd."