Yes, considerable is an adjective.
Example: The considerable girl helped the child.
Considerable modifies girl.
Deep is the adjective related to the word depth. A depth may be described as shallow or considerable.
considerable or considerate. considerable meaning something worth considering. considerate describing someone who considers the feelings of others, aka nice.
considerable, enormous, numerous, oversize, tremendous
It can be, as in a considered opinion. The word is the past tense and past participle of the verb (to consider) and may be used as an adjective. This has a separate meaning from the related adjectives considerable and considerate.
The participles (expended moreso than expending) can be used as adjectives.A derivative adjective of the related noun expense is expensive (requiring considerable expense).
The verb to consider has a related adjective formed from the past participle, considered. There is a derivative form (considerate) that means "prone to consider others." There is another derivative form (considerable) that has a modern connotation of "substantial" (e.g. considerable wealth).
The word ways is normally a plural noun. Colloquially it can be a noun or adjective meaning a considerable distance (a ways).
No. Goodly (mostly archaic) is an adjective, despite the -LY form. It usually modifies "number" and means considerable, or substantial.
Zeal=flair, being flashy, etc... Zealously is an adjective, describing soumone who has zeal, or is zealous. To add to the above, zealously means "with considerable enthusiasm or eagerness".
the world is leading a considerable respect
it is considerable to brush your teeth everyday
This business can give considerable profit