supplicāˈtion noun

1. An act of supplicating
2. An earnest or humble petition
3. (in ancient Rome) a solemn service or day decreed for giving formal thanks to the gods for victory, etc
4. Earnest prayer or entreaty, esp in liturgies, a litany petition for some special blessing

suppˈlicatory adjective

1. Containing supplication or entreaty
2. Humble

supplicāˈvit noun

Formerly, a writ issued by the King's Bench or Chancery for taking the surety of the peace against a person