[v] mark with one's signature; write one's name (on); "She signed the letter and sent it off"; "Please sign here"
[v] adopt as a belief; "I subscribe to your view on abortion"
[v] receive or obtain by regular payment; "We take the Times every day"
[v] offer to buy, as of stocks and shares; "The broker subscribed 500 shares"
[v] pay (an amount of money) as a contribution to a charity or service, esp. at regular intervals; "I pledged $10 a month to my favorite radio station"