Answer: elderhostel

AnswerCrossword Clue
ELDERHOSTELEducation-travel program for mature adults
ELDERHOSTELTravel organization with the slogan "Adventures in lifelong learning"
ELDERHOSTELOrganization for senior travelers
ELDERHOSTELIts motto is "Adventures in lifelong learning"
ELDERHOSTELOrganizer of senior field trips