Oho!
Aha!
Wow!
Wow
Aha! Oho!
Aha! Oho!
aha, oho, wow
Palindromes are spelled the same forward and backward...if you know that, then the question is easily answered. Something along the lines of "yay," perhaps?
Wow!
oho, aha
Oho Aha
Aha! Oho!
wow
A palindrome for "DOCTRINE" is "ENIRTCDOD."
Radar is a palindrome that means "detector."