gotten down one knee (verb) propose: ask for hand in marriage
Detalii: one would propound a plan (set forth for consideration something more extensive, substantial), but propose an idea (set forth for consideration)
Sinonime: bubbler,
cause, font, fount, geyser,
gush,
inception,
inspiration, jet, lode, mainspring, mine,
origin,
play,
provenance, provenience, pump, reservoir,
root, spout,
spray,
spring,
stream,
well, wellhead, wellspring