What is the crossword answer for the clue: Ill second that

YES - a 3 letter word may be the answer you are looking for!

DITTO - a 5 letter word may be the answer you are looking for!

AMEN - a 4 letter word may be the answer you are looking for!

I'll second that

3 Character Answers:

YES

4 Character Answers:

AMEN

5 Character Answers:

DITTO