Answer:

MADAM

AnswerCrossword Clue
MADAM".., I'm Adam"
MADAMBerlin's "Call Me .."
MADAMPalindromic title
MADAM"The Mayflower .."
MADAMImpersonal letter salutation
MADAM"Butterfly" leader
MADAM"Dear Sir or .."
MADAM.. Chair-person
MADAMWoman of the house
MADAMChairwoman's address
MADAMPalindromic address
MADAMSir's companion
MADAMMy brothel's keeper?
MADAMMy brothel's keeper
MADAMTitled woman
MADAMPalindromic term of address
MADAM"Call Me ..." (1950 Ethel Merman vehicle)
MADAM... Ambassador
MADAMMilady's title
MADAM"Call Me ..."
MADAM"Call Me .."
MADAMPalindrome opener
MADAMPolite address
MADAMPalindrome within a palindrome
MADAMFormal address
MADAMPolite title
MADAMSpeaker's title, perhaps
MADAMChair's title, at times
MADAMRespectful address
MADAMAddress from Jeeves
MADAMSir's counterpart
MADAMMatronly title
MADAMPolite female title
MADAMLady's title
MADAMPalindromic form of address
MADAMLady of the house
MADAM"..., I'm Adam"
MADAMBawd
MADAMAddress of the very first palindrome?
MADAMSecretary of State Clinton's address