He's an 'eligible bachelor'. [=an unmarried man who would make a good husband]
He's 'eligible for' health insurance through his employer.
He won't be 'eligible to retire' until next year.
(..) selective service is valid. Bones, there hasn't been a draft in years. Still, it's only fair that both sexes be eligible should one occur. And thanks to the pro-female bias of the family court system, the institution of marriage is now the greatest danger (..)2016 TvShow: Bones Title: The Murder of the Meninist Season: 11 Episode 12