Goodish
/ˈɡʊdɪʃ/
Definition 1 of 1
Pro Tip 1/3Moderate Praise
Use 'goodish' when you want to give mild or moderate praise without being too enthusiastic. 
She gave a goodish presentation; it covered all the points but lacked some excitement.
Pro Tip 2/3Layered Impression
'Goodish' implies a multi-layered opinion, suggesting there are both positive and negative aspects to consider. 
The meal was goodish; the steak was delicious, but the salad was just average.
Pro Tip 3/3Understated Approval
'Goodish' is an understated way of approving something; not jumping to high praise but acknowledging worth. 
Your grades are goodish, meaning you're doing fine but have room to improve.