Good
Favorable, Satisfactory
noun, な adjective
A good like is something you like really good, if that makes any sense. This thing is a good and favorable thing.
This is a jukugo word that uses the on'yomi readings of the kanji. You've learned them already, so you should be able to read this on your own!
良好な社会
good society
良好なコミュニケーション
good communication
良好な生活
good life
トーフグと日本せいふは、良好なかんけいをたもっています。
Tofugu and the Japanese government have a good relationship.
コウイチ先生は、ムッツリスケベであることは生物学的に良好なことだっておっしゃってましたよ。
Dr. Koichi told me that it's biologically favorable to be a dirty-minded person who doesn't talk about it.
その患者さんの経過は過去六ヶ月間良好で、普段通りの生活を送ることができています。
The patient has been doing well for the last six months and has been able to live a normal life.