PROGRESSIVELY
increasingly, progressively, more and more
(adverb) advancing in amount or intensity; “she became increasingly depressed”
Source: WordNet® 3.1
Etymology
Adverb
progressively (comparative more progressively, superlative most progressively)
In a progressive manner.
As part of a progression.
Source: Wiktionary
PROGRESSIVE
Pro*gress"ive, a. Etym: [Cf. F. progressif.]
1. Moving forward; proceeding onward; advancing; evincing progress;
increasing; as, progressive motion or course; -- opposed to
retrograde.
2. Improving; as, art is in a progressive state. Progressive euchre
or whist, a way of playing at card parties, by which after every
game, the losers at the first table go to the last table, and the
winners at all the tables, except the first, move up to the next
table.
– Progressive muscular atrophy (Med.), a nervous disorder
characterized by continuous atrophy of the muscles.
– Pro*gress"ive*ly, adv.
– Pro*gress"ive*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition