from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To pledge.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To pledge.
from The Century Dictionary and Cyclopedia
- To pledge; pawn.
And if our remarks on the circumcision of our Lord (see on  Lu 2: 21-24) are well founded, He would seem to have said, "Thus do I impledge Myself to the whole righteousness of the Law -- thus symbolically do enter on and engage to fulfil it all."
It will impledge you to truth by the love and expectation of generous minds.