Answer: subscribing

AnswerCrossword Clue
subscribingContribute or undertake to contribute a certain sum of money to a particular fund, project, or charitable cause, typically on a regular basis
subscribingApply to participate in
subscribingSign (a will, contract, or other document)
subscribingSign (one's name) on such a document
subscribingExpress or feel agreement with (an idea or proposal)
subscribingArrange for access to an online service
subscribingSign oneself as
subscribingthe act of taking out a subscription
subscribing(of a bookseller) Agree before publication to take (a certain number of copies of a book)
subscribingArrange to receive something regularly, typically a publication, by paying in advance
subscribingApply for or undertake to pay for an offering of shares of stock