The act of creeping upon with secrecy or by surprise.(noun)
Act of obtaining gifts of escheat by fraud or surprise.(noun)
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Use "obreption" in a sentence
"In its effects subreption is equivalent to obreption (q.v.), which consists in a positive allegation of what is false."
"Moreover, these dispensations are supposed to be given motu proprio and with certain knowledge, from which it follows that they are not vitiated by obreption or by subreption."
"When a supplica is affected (in a material point) by obreption or subreption it becomes necessary to ask for a so-called"