prearranged (?.)

• all ready
• all set
• armed
• armed and ready
• booted and spurred
• briefed
• coached
• cocked
• cooked-up
• cut out
• cut-and-dried
• cut-and-dry
• equipped
• familiarized
• fixed
• good and ready
• groomed
• in arms
• in battle array
• in readiness
• in the bag
• in the saddle
• informed
• loaded
• loaded for bear
• mature
• mobilized
• on ice
• on the mark
• packed
• planned
• plotted
• preconcerted
• precontrived
• premeditated
• preordered
• prepared
• prepared and ready
• prepped
• primed
• provided
• psyched up
• put-up
• ready
• ready for anything
• rigged
• ripe
• schemed
• set
• set-up
• stacked
• up in arms
• vigilant
• well-prepared