agood

a- +‎ good

• IPA^(key): /əˈɡʊd/

agood (not comparable)

1. (obsolete) In earnest; heartily; in good earnest.
   • c. 1590–1591 (date written), William Shakespeare, “The Two Gentlemen of Verona”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act IV, scene iv]:

     […] And, at that time I made her weep a-good, / For I did play a lamentable part: