suitable for a particular person, place, or situation
He appointed the experts to evaluate whether patients are getting appropriate treatment.
When pronounced with the accent on the second syllable, "appropriate" is an adjective. When pronounced with the accent on the last syllable, "appropriate" is a verb that describes an inappropriate action: take possession of by force, as after an invasion.
an assertion offered as evidence that something is true
The argument is that a global climate policy will speed the development of renewables.
Both the definitions and example sentences for "argue" and "argument" are for reasonable ways of talking and thinking. But both the verb and noun can also refer to disagreements and fights that can get loud and ugly.