Related Clues:

• Plant
• Implant
• Fix firmly
• Fix firmly in place
• Insert, as a code
• Set securely (Var.)
• Fix firmly (Var.)
• Fix deeply
• Plant deeply (Var.)
• Stick in firmly
• Fix permanently (Var.)
• Send into battle, in a way
• Plant deeply
• Fix firmly: Var.
• Entrench