Noun

• S: (n) avail, help, service (a means of serving) "of no avail"; "there's no help for it"
• direct hypernym / inherited hypernym / sister term
• S: (n) helpfulness (the property of providing useful assistance)
• S: (n) utility, usefulness (the quality of being of practical use)
• S: (n) quality (an essential and distinguishing attribute of something or someone) "the quality of mercy is not strained"--Shakespeare
• S: (n) attribute (an abstraction belonging to or characteristic of an entity)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• derivationally related form

Verb

• S: (v) avail (use to one's advantage) "He availed himself of the available resources"
• S: (v) avail (be of use to, be useful to) "It will avail them to dispose of their booty"
• S: (v) avail, help (take or use) "She helped herself to some of the office supplies"