Definitions
1.adverb(location) In a place or location (stated, implied or otherwise indicated) at some distance from the speaker (compare here).
2.adverbIn that matter, relation, etc.; at that point, stage, etc., regarded as a distinct place."He did not stop there, but continued his speech."
3.adverb(location) To or into that place; thither.
4.adverbWhere, there where, in which place.
5.adverbIn existence or in this world; see pronoun section below.
6.pronounUsed as an expletive subject of be in its sense of “exist”, with the semantic, usually indefinite subject being postponed or (occasionally) implied."Is there an answer? [=Does an answer exist?]"
7.pronounUsed with other intransitive verbs of existence, in the same sense, or with other intransitive verbs, adding a sense of existence."If x is a positive number, then there exists [=there is] a positive number y less than x."
8.pronounUsed with other verbs, when raised."I expected there to be a simpler solution. [=I expected that there would be a simpler solution.]"
9.pronoun(in combination with certain prepositions, no longer productive) That."therefor, thereat, thereunder"
10.pronounUsed to replace an unknown name, principally in greetings and farewells"Hi there, young fellow."