sign into

sign into

v.
1. To ratify some legislation by affixing a signature, seal, or other mark, so as to bring it into some state of existence: The president signed the bill into law.
2. To provide the necessary information to a computer for someone to be allowed access to some set of computer resources: I'll sign you into the website so you can read the whole article. I signed into my account on the website and checked my order status.
See also: sign