goodish

1. Somewhat good.
2. Somewhat large or big; goodly.

adjective

Of moderately good quality but less than excellent: acceptable, adequate, all right, average, common, decent, fair, fairish, moderate, passable, respectable, satisfactory, sufficient, tolerable. Informal OK, tidy. See good/bad.

The adjective has 2 meanings:

Meaning #1: moderately good of its kind

Meaning #2: large in amount or extent or degree
  Synonyms: goodly, hefty, respectable, sizable, sizeable, tidy