With adjectives. In general use, in a variety of constructions, typically without complement, in senses varying from ‘fully, completely’ to…

In expressions relating to number or quantity. not a little: a good deal, considerably.

Considerably, very; quite, rather; fairly, moderately. Cf. pretty, adv. 1a. Now rare.

To an appreciable extent; in an appreciable degree; appreciably, discernibly.

Qualifying an adjective or adverb: to a considerable extent; fairly, moderately; rather, quite. In later use also: very.

To a considerable degree or extent; much, a good deal.

as adv. = considerably, adv. Obsolete or dialect.

To a significant degree or extent; so as to make a noticeable difference; substantially, considerably.

Creditably; considerably; to a significant extent, substantially.

= pretty, adv.

To an appreciable extent, so as to be appreciated.

= pretty, adv.

To a considerable degree; very much, exceedingly (well).

More; rather.

= something, adv. (in various senses).

= something, adv. (in various senses).

= something, adv. (in various senses).