1. By the fact itself
   "ipso facto, her innocence was established"

Encyclopedia: Ipso facto

• busman's holiday
• BuSpar
• buspirone
• buss
• bust
• bust a gut
• bust-up
• bust-up takeover
• bustard
• bustard quail
• busted
• bustee
• buster
• Buster Keaton
• bustier
• bustle
• bustle about
• bustling
• busty
• carbonnade
• carbonnade flamande
• carbonous
• carbonyl
• carbonyl group
• carbonylic