adv. colloq. [f. THUS + -LY2.] = THUS.
1867. Artemus Ward in London, 56. They are cheerful, and why should it not be thusly with us?
1889. Boston (Mass.) Jrnl., 17 Jan., 2/3. On his way home George mused thusly.
1893. Lady Burton, Life Sir R. F. Burton, II. 3. Stories never lose anything in the recital, and consequently this one grew thusly.