usage: being neither good nor bad; "an indifferent performance"; "a gifted painter but an indifferent actor"; "her work at the office is passable"; "a so-so golfer"; "feeling only so-so"; "prepared a tolerable dinner"; "a tolerable working knowledge of French"
Adverb
1. acceptably, tolerably, so-so
usage: in an acceptable (but not outstanding) manner; "she plays tennis tolerably"