Mawson, C.O.S., ed. (18701938). Rogets International Thesaurus. 1922.
Class V. Words Releasing to the Voluntary Powers
Division (II) Intersocial Volition
Section III. Conditional Intersocial Volition
PROMISE, under-taking, word, troth, plight, pledge, parole, word of honor, vow; oath (affirmation) [See Affirmation]; profession, assurance, warranty, guarantee, insurance, obligation; contract [See Compact]; stipulation.
ENGAGEMENT, preëngagement; affiance; betrothal, betrothment; marriage -contract, - vow; plighted faith, troth-plight [Scot. or dial.], gage damour [F.].
PROMISE; give a promise &c. n.; undertake, engage; make -, form- an engagement; enter into or on an engagement; bind -, tie -, pledge -, commit -, take upon- oneself; vow; swear (affirm) [See Affirmation], give -, pass -, pledge -, plight- ones -word, - honor, - credit, - troth; betroth, plight faith, take the vows, trothplight [Scot. or dial.].
ASSURE, warrant, guarantee; covenant [See Compact]; avouch, vouch for; attest (bear witness) [See Evidence].
hold out an expectation; contract an obligation; become bound to, become sponsor for; answer for, be answerable for; secure; give security [See Security]; underwrite.
ADJURE, administer an oath, put to ones oath, swear a witness.
PROMISING &c. v.; promissory; votive; under hand and seal, upon oath, upon the Book; upon -, on- affirmation.
PROMISED &c. v.; affianced, pledged, bound; committed, compromised; in for it [colloq.].
as true as I live; in all soberness; upon my honor; my word for it; my head upon it; I call God to witness; as ones head shall answer for; ex voto [L.].
His word is his bond.
In for a penny in for a pound.
Indeed, indeed, Repentance oft before I sworebut, was I sober when I swore?Omar KhayyámFitzgerald
Thy promises are like Adonis gardens, That one day bloomd, and fruitful were the next.I Henry VI