Synonyms for Precipitate (same or very similar meaning)
WordNet sense 1 (fall from clouds):
fall, come downWordNet sense 2 (done with very great haste and without due deliberation):
hasty, overhasty, precipitant, precipitousWordNet sense 3 (moving rapidly or performed quickly or in great haste):
hurriedFrom the ODE community, based on WordNetadd/edit