trimly

adverb2

1. •
   In a trim manner; neatly, smartly.

   • In one of these trimly built cars was a party of four young men whose spirits seemed to be at present well above the level of successful Gallicism: […] — 1904
2. •
   (no longer used) Effectively, handily, nicely, thoroughly, soundly, well.

   • And it is sayde both moste trimly and truly in the Epistle to the Hebreues, as we heard afore: If ye be not vnder correction, (wherof all are partakers) then are ye bastardes and not sonnes. — 1566