What is the synonym of considerable?

Here are some synonyms for "considerable", depending on the context:

General synonyms:

* Significant

* Substantial

* Large

* Important

* Notable

* Appreciable

* Extensive

* Remarkable

More specific synonyms:

* Vast (for size or quantity)

* Abundant (for quantity)

* Great (for size or degree)

* Major (for importance)

* Notable (for being worthy of attention)

* Marked (for being clearly noticeable)

The best synonym for "considerable" will depend on the specific context in which it is used.