An attractive, successful man with lots of confidence is an example of someone who would be described as suave.
Origin of suaveMiddle French ; from Classical Latin suavis, sweet
Origin of suaveFrench, agreeable, from Old French, from Latin suavis, delightful, sweet; see swad- in Indo-European roots.
- suave′ness, suav′i·ty
- Sweet talk.
From Latin suÄvis (“sweet").