reduce   
mamintina
to contract, to reduce to a small compass. [Richardson 1885]
manavitsy
to reduce in number [Hallanger 1973]
manemotra
to delay the time; to reduce [Hallanger 1973]
manetry
to humble; to reduce in rank [Hallanger 1973]
mihena
to lessen, to shrink, to diminish, to decrease, to reduce, to assuage. [Richardson 1885]