To store, save up, or stockpile things or money; to set aside for future use.
冬に備えて食料を蓄えておく。
Store up food in preparation for winter.
子どもの教育資金を少しずつ蓄えている。
I am saving up money for my child's education little by little.
災害に備え水や電池を蓄えておこう。
Let's stock up on water and batteries in case of a disaster.
To accumulate knowledge, experience, or skills; to build up over time.
彼は長年の経験を蓄えて、今では頼りにされている。
He has accumulated years of experience and is now relied upon.
語彙を日々蓄えることが語学上達の近道だ。
Building up vocabulary daily is the shortcut to improving in a language.
練習で技術を蓄えていった。
He developed his skills through practice.
To grow (a beard, moustache, etc.) or to wear/keep something on (in some contexts).
彼は最近ひげを蓄えている。
He has been growing a beard recently.
俳優は役作りのために髪を蓄えた。
The actor grew his hair for the role.