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Webster 1828 Edition

ppr.

pli'ting; Pledging.

plighting

plighting ‎(plural plightings)

The act by which something is plighted or pledged.
- 1840, Leigh Hunt, The Seer: Or, Common-places Refreshed (page 55)
  There was a practice in those times, generated, like other involuntary struggles against wrong, by the absurdities in authority, of resorting to marriages, or rather plightings of troth, made in secret, and in the eye of heaven.