To be necessary for (someone).
To befit, to suit.
To be in the best interest of; to benefit.
To be needful, meet or becoming.
To ask for (something).
To ask (somebody) to do something.
A message sent over a network to a server.
Act of requesting (with the adposition at in the presence of possessives, and on in their absence).
Condition of being sought after.
A formal message requesting something.