ichidan verb, transitive verb
let play; keep amused; entertain
Causative of 遊ぶ: to allow someone to play or to provide amusement. Often used for children or guests.
子供を公園で遊ばせる。
I let the children play in the park.
お客さんを退屈させないように、手品
I kept the guests amused with magic tricks so they wouldn't get bored.
ichidan verb, transitive verb
leave idle; not use; let go to waste
To leave something unused or idle, often implying waste or neglect. Common with resources, money, or land.
せっかくの才能を遊ばせておくのはもったいない。
It's a waste to leave such talent unused.
資金を遊ばせずに投資する。
Invest the funds instead of letting them sit idle.