gotten to bottom (verb) fathom: discern, understand
Sinonime: bring to light, come across,
come up with,
delve, dig down,
expose,
extricate,
find, go into, inquire, look into, probe, prospect, research,
retrieve,
root, search, search high and low, shake down, sift, turn inside out, turn upside down,
uncover, unearth
Antonime: misunderstand, not get