"Oh! captive, bound, and double-ironed," cried the phantom, "not to know, that ages of incessant labour by immortal creatures, for this earth must pass into eternity before the good of which it is susceptible is all developed.
There are no more uses of "susceptible" in the book.
Show samples from other sources
susceptible to colds
Not being susceptible to contradicting evidence, it is not a testable hypothesis.