Pleasant to the senses or the mind.
Agreeing or suitable; followed by to, or rarely by with.
Pursuant, conformant, accordant.
Able to agree; possible to be agreed.
Something pleasing; anything that is agreeable.
(in a positive sense) Having a sweet and smooth voice; eloquent.
(in a negative sense) Indirect, delivering a message in a way that will make it seem more pleasant to the hearer(s); seductive, persuasive.