Suitable
Part of speech: adjective
Definition: Having sufficient or the required properties for a certain purpose or task; appropriate to a certain occasion.
Example sentence: A board constituted as the board of Sydney Hospital is constituted is not a suitable body to have control of an institute of medical research.
Desirable
Part of speech: adjective
Definition: describing something worth having, that is useful to have, or that would be nice to have.
Part of speech: noun
Definition: A thing that people want; something that is desirable.
Example sentence: Free education for all - whilst it is a desirable notion, in South Africa it will simply not be affordable.