Question

on word for strong,soft,smooth

Answer 1

strong stiff
soft. vulnerable
smooth. fluffy

Answer 2

Explanation:  

Since the question is asked very generally, we can take common words. So let us consider one such word, that is 'shave'.

The word shave is a combination of the strength, the soft nature, and the smooth behavior of a gentleman. So can be regarded as the word.

There are many such words which implicate these combinations, in various situations. Since only one word is asked here, we can stop with the word shave.