solvo.

to loosen, untie, undo; free [up], release, acquit, exempt

to solve, explain

to dissolve, break up, separate

similia similibus solvuntur

to relax, slacken, weaken

to cancel, remove, destroy

to pay up, fulfil

to undermine

to get rid of, let go of, release, dismiss, loosen (emotion, feelings)

to let down (hair)

to open (a letter)

to unfurl

to raise (a siege)

to dismiss (troops)

to set sail