伏せる
JLPT N1 · Verbふせる(fuseru)声调 2
to lay (something) face down; to place upside down; to turn over (face down); to point downwards (one's eyes, head, etc.); to cast down (one's eyes); to lay (oneself) face down
Example sentences
年齢を伏せる。
To conceal one's age.