Student or Learner
Is it common and natural in spoken English that complimenting a man by using the adjective "suave"? Such as: "John is really a suave man".
Anthony the learner
You could say the same about this, but you probably wouldn't:
These days, 'suave' often has a mocking element to it: people who try to look suave, but aren't.
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.