noun

• (now rare) A (neutral) condition or state.
  "although hee live in as good plight and health as may be, yet he chafeth, he scoldeth, he brawleth, he fighteth, he sweareth, and biteth, as the most boistrous and tempestuous master of France[…]."
• (obsolete) Good health.
  "All wayes shee sought him to restore to plight, / With herbs, with charms, with counsel, and with teares[…]."

noun

• (now chiefly dialectal) Responsibility for ensuing consequences; risk; danger; peril.
• (now chiefly dialectal) An instance of danger or peril; a dangerous moment or situation.
• (now chiefly dialectal) Blame; culpability; fault; wrong-doing; sin; crime.
• (now chiefly dialectal) One's office; duty; charge.

verb

• (transitive, now rare) To expose to risk; to pledge.
• (transitive) Specifically, to pledge (one's troth etc.) as part of a marriage ceremony.
• (reflexive) To promise (oneself) to someone, or to do something.
  "I ask what I have done to deserve it, one daughter hobnobbing with radicals and the other planning to plight herself to a criminal."

verb

• (obsolete) To weave; to braid; to fold; to plait.
  "ſhe wore a plighted Garmend of divers colours,"