If you surmount a problem or difficulty, you get the better of it by conquering or overcoming it.
A mountebank is a smooth-talking, dishonest person who tricks and cheats people.
If one thing is tantamount to another thing, it means that it is equivalent to the other.
A promontory is a high feature of the landscape that juts out over a body of water.
Something that is of paramount importance or significance is chief or supreme in those things.
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