Present and ready for use; at hand; accessible. adjective
Capable of being gotten; obtainable. adjective
Qualified and willing to serve or assist. adjective
Capable of being used in a chemical reaction. adjective
Present, as in soil, and capable of being used by plants as a nutrient. adjective
Profitable; advantageous; having efficacy.
Having sufficient power, force, or efficacy for the object; valid.
Capable of being used or employed with advantage; attainable; accessible; at one's disposal: as, his resources were not available at the time.
Advailable is a rare and obsolete form.
Having sufficient power, force, or efficacy, for the object; effectual; valid. adjective
Such as one may avail one's self of; capable of being used for the accomplishment of a purpose; usable; profitable; advantageous; convertible into a resource adjective