Sentence:  Doing <WSD>philanthropy</WSD> involves acts as diverse as consoling or cavorting with a child who has cancer, taking tickets at an art exhibit, writing a check for a relief agency, investing in the endowment of a private liberal arts college, and raising the funds that make the endowment possible. 
Meaning of the word marked with <WSD> tags:  Benevolent altruism with the intention of increasing the well-being of humankind.