• Webster's Revised Unabridged Dictionary
    • adv handfastly In a handfast or publicly pledged manner.
    • ***
Century Dictionary and Cyclopedia
    • handfastly By a pledge or contract.
    • ***


In literature:

And anon he made them handfast, and wedded them.
"Le Morte D'Arthur, Volume II (of II)" by Thomas Malory
Heart handfast in heart as they stood, "Look thither," Did he, whisper?
"The Home Book of Verse, Vol. 3 (of 4)" by Various
Indeed, after Euphemia's death, he married his former handfasted wife Elizabeth.
"Notes and Queries, Number 48, Saturday, September 28, 1850" by Various
Handfasting takes place before a marriage is consummated.
"Notes and Queries, Number 51, October 19, 1850" by Various
The 'handfasting' thus concluded, 'Ye hae forgot the bride ale!
"Border Ghost Stories" by Howard Pease
After the handfasting and making of the contract, the church-going and wedding should not be deferred too long.
"Folk-lore of Shakespeare" by Thomas Firminger Thiselton-Dyer
This consisted of "handfasting" and the exchange of something, even if only a kiss, to bind the bargain.
"Women of England, Volume 9 (of 10)" by Burleigh James Bartlett
We are betrothed; and I rejoice at the handfasting.
"The International Monthly, Volume 4, No. 3, October, 1851" by Various
Must love always be handfast to something else?
"Miss Stuart's Legacy" by Flora Annie Steel