Possible Clues:

• Litotes, meiosis
• Below formal declaration, a comment, somewhat restrained?
• Opposite of exaggeration
• Where to put signature for meiosis
• Below California, for example, people have time - in a manner of speaking
• Sign here, it is no exaggeration
• Men rate student abysmally — and that's putting it mildly
• Awfully rude about New Testament in 12? That's putting it mildly
• Need man stutter dreadfully? This reduces stress when speaking
• In sounder state mentally? That's putting it mildly