assisting (part of speech: verb)
benefiting (part of speech: verb)
- Peter's wisdom in availing himself of the protection and secrecy of the tunnel as an approach became obvious. - "The Honorable Peter Stirling and What People Thought of Him", Paul Leicester Ford.
- There was a great and availing force in the mood that held her. - "A Beautiful Alien", Julia Magruder.
- Please sit down, for Ellen was doubtful about availing herself of the proffered chair. - "The Portion of Labor", Mary E. Wilkins Freeman.