Fostering rhymes with:
administering, blistering, blustering, bolstering, clustering, festering, filibustering, flustering, mastering, mustering, pestering, plastering, registering, sequestering
administering, blistering, blustering, bolstering, clustering, festering, filibustering, flustering, mastering, mustering, pestering, plastering, registering, sequestering