KanjiJLPT N1
Recommend (An Action)

persuade, recommend, advise, encourage, offer

Mnemonic

At noon, a bird lands on your shoulder and uses all its power to squawk a message: it wants to recommend you start migrating south immediately! The bird flaps urgently, practically pushing you forward, insisting you take action now before winter strikes.
Additional thoughts
Picture the bird at high noon, physically nudging you with surprising power — it's not just suggesting, it's earnestly urging you to act. The combination of midday urgency, a pushy bird, and forceful power captures the sense of active persuasion.
Quick recall
A bird at noon uses all its power to recommend you fly south now.

Details

The keyword for 勧 is recommend (an action). This kanji conveys the idea of encouraging or urging someone to do something, such as advising them to take a particular course of action. It carries a sense of active persuasion, going beyond a mere suggestion to earnestly promote or advocate for a specific behavior or decision. The nuance here is specifically about recommending that someone *do* something, rather than recommending a thing or object.
On'yomi
かん、けん
Kun'yomi
すす.める