Wiktionary
vb. 1 (context transitive English) arouse or excite passion or action. 2 (context transitive English) mix ingredients.
WordNet
arouse or excite feelings and passions; "The ostentatious way of living of the rich ignites the hatred of the poor"; "The refugees' fate stirred up compassion around the world"; "Wake old feelings of hatred" [syn: inflame, wake, ignite, heat, fire up]
change the arrangement or position of [syn: agitate, vex, disturb, commove, shake up, raise up]
provoke or stir up; "incite a riot"; "set off great unrest among the people" [syn: incite, instigate, set off]
Usage examples of "stir up".
For this is a common custom of witches, to stir up enmity against themselves by some word or action, as, for example, to ask someone to lend them something or else they will damage his garden, or something of that sort, in order to make an occasion for deeds of witchcraft.
I do not desire to stir up rebellion, but rather than miss my mark I will do so.
She didn't want to stir up trouble among the guys in Louis's security guard, because Louis wouldn't thank her for it.
Bolt stood up, kicked at the fire to stir up the flames, and then came to inspect me.
I didn't make you order her to torture those poor ghosts, stir up the Nevernever and bring Kravos's pet demon back across to send after a bunch of innocents while you tried to get to me.
Or was she intentionally trying to stir up a generational conflict?