this

/ðəs/

#11 of the most-used English words

noun

1. Something being indicated that is here; one of these.
2. Referring to the current context in a programming environment in C-like languages.

adverb

1. To the degree or extent indicated.
   "Do we need this many recommendations?"

pronoun

1. The thing, item, etc. being indicated.
   "This isn't the item that I ordered."

interjection

1. Indicates the speaker's strong approval or agreement with the previous material.

Similar: +1, IAWTP, QFT