1. Consider as relevant when making a decision
   "You must factor in the recent developments"
   - factor, factor out 
2. Resolve into factors
   - factor, factor out

Derived forms: factors in, factoring in, factored in

Type of: calculate, cipher, compute, consider, cypher, figure [N. Amer], reckon, study, work out

• in full swing
• in full view
• in gear
• in general
• in good order
• in good spirits
• in good taste
• in good time
• in great confusion
• in hand
• in haste
• pleasure
• pleasure boat
• pleasure craft
• pleasure ground
• pleasure principle
• pleasure seeker
• pleasure trip
• pleasure-pain principle
• pleasure-unpleasure principle
• pleat
• pleating
• pleb
• plebe
• plebeian