まあまあ

まあまあ
adverb
so-so; fairly; passably
1. so-so; fairly; passably
Neither good nor bad; average or acceptable.
調子(ちょうし)は?ーまあまあだね。
How are you doing? —So-so.
まあまあ美味(おい)しい。
It's fairly delicious.
2. now, now; calm down
Used to soothe or calm someone.
まあまあ、()()いて。
Now, now, calm down.

まあまあ is a versatile expression with two main uses.

SENSE 1 - DEGREE:

  • Indicates something is average or acceptable
  • Similar to "not bad" or "pretty good"
  • Often used as a standalone response

SENSE 2 - SOOTHING:

  • Used to calm someone down
  • Often followed by advice or reassurance

NUANCE:
As a degree word, まあまあ often implies "better than expected but not great."