Show agreement (3 letters)

Introductory words, maybe (3 letters)

"Mm-hmm" (4 letters)

Came to (5 letters)

Actions at auctions (4 letters)

Become cognizant (5 letters)

Gave the go-ahead (3 letters)

London's "Martin ___" (4 letters)

Old Testament murderer (4 letters)

"Understood!" (4 letters)

Orient (4 letters)

"The sweetest gift of heaven": Virgil (5 letters)

Team in an annual all-star game (4 letters)