dictionary.reference.com/browse/pseudo

pseudo
Pronunciation [soo-doh]
–adjective
1. not actually but having the appearance of; pretended; false or spurious; sham.
2. almost, approaching, or trying to be.
Origin: 1940–45; independent use of pseudo-

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dictionary.reference.com/browse/quasi

quasi
Pronunciation [kwey-zahy, -sahy, kwah-see, -zee]
–adjective
resembling; seeming; virtual: a quasi member.
adj. Having a likeness to something; resembling: a quasi success.
[Middle English, as if, from Old French, from Latin quasi : quam, as;]

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dictionary.reference.com/browse/meta

meta
-adjective
self-referential; referring to itself or its characteristics, esp. as a parody; about
-noun
something with refers to itself, esp. in self-parodying manner
Example: A movie-within-a-movie is an example of meta.
Etymology: meta 'beyond'

–noun
a female given name.

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dictionary.reference.com/browse/para
para
-adjective
pertaining to or occupying two positions

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Conversational use of thes terms has been clouded for time with me... I would prefer to be more comfortable, but am at a little bit of loss with experience for use in good taste. Any Suggestions?