Verisimilitude is something's authenticity or appearance of being real or true.
When you assimilate an idea, you completely understand it; likewise, when someone is assimilated into a new place, they become part of it by understanding what it is all about and by being accepted by others who live there.
Something that is similar to something else is almost or nearly like it but not quite the same as it.
When one thing is dissimilar to another thing, it is not like it or is not the same as it.
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