1) Adequacy 2) Appropriateness 3) Aptness 4) Arability 5) Convenance 6) Convenience 7) Fitness 8) Fittingness 9) Navigability 10) Propriety 11) Spinnability 12) Suitableness 13) Wisdom 1) Adequacy 2) Aptness 3) Correctness 4) Quality 5) Satisfactoriness 6) Suitableness 7) Tolerability 
• (n.) The quality or state of being suitable; suitableness.
A requirement that any investing strategy fall within the financial means and investment objectives of an investor.
Suit`a·bil'i·ty noun The quality or state of being suitable; suitableness. 
Appropriateness for a particular purpose and/or a type or size of rider
The capability of the software product to provide an appropriate set of functions for specified tasks and user objectives. [ISO 9126] See also functionality....
[n] - the quality of having the properties that are right for a specific purpose
suitableness noun the quality of having the properties that are right for a specific purpose; `an important requirement is suitability for long trips`
A suitability violation occurs when and investment made by a broker is inconsistent with the investor's objectives, and the broker knows or should know the investment is inappropriate.
Age suitability for baby clothes, cribs & strollers is never an exact science, as babies grow and develop at differing speeds.