plight

To promise or bind by a solemn pledge, especially to betroth.

To give or pledge (one’s word or oath, for example).

A solemn pledge, as of faith.

(plight (one’s) troth) To become engaged to marry.

(plight (one’s) troth) To give one’s solemn oath.

A situation, especially a bad or unfortunate one. synonym: predicament.

Peril; danger; harm; damage.

A solemn promise or engagement concerning a matter of serious personal moment; solemn assurance or pledge.

To engage by solemn promise; pledge; engage or bind one’s self by pledging: as, to plight one’s hand, word, honor, faith, truth, vows, etc.

Synonyms Pledge, Plight. Pledge is applied to property as well as to word, faith, truth, honor, etc. Plight is now chiefly poetic or rhetorical; to plight honor is, as it were, to deposit it in pledge for the performance of an act—not often for the truth of a statement—to be forfeited if the act is not performed.