speak highly of (someone or something)
To enthusiastically endorse someone or something; to extol the virtues, benefits, or good qualities of someone or something. Our manager has spoken highly of these new developers. I hope they're up to the job! My dad has been speaking highly of this smartphone, so I think I might buy one for myself.
speak highly of someone or something
1. [for someone] to say good things about someone or something. she always speaks highly of you. Everyone spoke highly of this movie, but it is not good.
2. [for a fact] to reflect well on someone or something. The success of your project speaks highly of you. All of this good news speaks highly of your ability to influence people.
speak ˈhighly of somebody
praise somebody because you admire or respect their personal qualities or abilities: His teacher speaks very highly of him.Professor Heynman was very highly spoken of by his students. OPPOSITE: not/never have a good word to say for/about somebody/something