This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A word that serves as a key to a code or cipher.

n. A significant or descriptive word.

n. A word used as a reference point for finding other words or information.

n. any word used as the key to a code

n. Any word used in a reference work to link to other words or other information.

n. A reserved word used to identify a specific command, function etc.

n. Any word that occurs in a text more often than normal.

v. To tag with keywords, as for example to facilitate searching.

n. A word used as an entry point into an index which serves to identify files, records, texts, or other data containing the key or some related word, such as a synonym. It is a type of key{15}.

n. A word which serves as a key, guide, or explanation to the meaning, use, or pronunciation of other words, or to other matters.

n. a significant word used in indexing or cataloging

n. a word that is used as a pattern to decode an encrypted message

"You can go as far as do dynamic keyword insertion by putting in placeholders into your text such as \% keyword\% or even a long nonsense string that'll never get used in the actual text such as"

word    key   

descriptor    index term   

relater    accessiblity    remeasurement    relator    hard-target    transliteration    sdp    modifier