To compliment someone, often (but not necessarily) insincerely and sometimes to win favour.
To enhance someone's vanity by praising them.
To encourage or cheer someone with (usually false) hope.
To portray someone to advantage.
Someone who flattens, purposely or accidently. Also flattener.
Someone who lives in a rented flat.
A type of set tool used by blacksmiths.
A flat-faced fulling hammer.
A drawplate with a narrow, rectangular orifice, for drawing flat strips such as watch springs.