put up to (?.)

• agitate
• arouse
• blow the coals
• excite
• fan
• fan the flame
• feed the fire
• ferment
• fire
• foment
• heat
• heat up
• impassion
• incense
• incite
• inflame
• instigate
• nettle
• pique
• provoke
• rally
• set on
• sic on
• stir the embers
• stir up
• tickle
• whet
• whip up
• work up