Question

when the meaning of a word becomes positive over time *
amelioration
etymology
neuter
pejoration
other:
styles of written and spoken communication *
reduplication
dialect
coloquism
discourse genres
specialized form of language between on - line users *
discourse genres
computer - mediated discourse

Explanation:

1. Amelioration is the process by which the meaning of a word becomes more positive over time. Etymology is about the origin of words, neuter is a grammatical gender, and pejoration is when a word's meaning becomes negative.
2. Dialect refers to a variety of a language that is characteristic of a particular group of speakers, which is a style of written and spoken communication. Reduplication is a word - formation process, colloquism is an informal expression, and discourse genres are types of communicative events.
3. Computer - mediated discourse is the specialized form of language used between online users. Discourse genres are more general types of communication and not specific to online use.

Answer:

1. Amelioration
2. Dialect
3. Computer - mediated Discourse