Euphemism
A polite way of mentioning a subject while avoiding it directly
Simile
A comparison using “as” or “like”
Dysphemism
To purposely mention something to make it seem unpleasant
Connotation
The positive/negative influences surrounding a word
Synonym
Two words that mean the same thing
Antonym
A word that means the opposite of another
Broadening
When a words meaning becomes applicable to more things
Narrowing
When a word reduces in meaning
Pejoration
When a word aquires negative meaning
Amelioration
When a word aquires positive meaning
Weakening
When a words meaning reduces in intensity