Select the correct one word from the given alternatives for the following set of words

Select the correct one word from the given alternatives for the following set of words.

To become less intense or widespread

a)            Obsolete

b)            Abate

c)            Adapt

d)            Adept

 Sol:

Option b abate is the correct answer, other words; obsolete means not in use, adapt means to adjust accordingly and adept means to be skillful.