高(たか)まるto rise, to swell, to be promoted

K-POPの人気(にんき)が高(たか)まっています。

The popularity of K-POP is increasing. {to rise, to swell, to be promoted}

選挙(せんきょ)CMで選挙(せんきょ)への関心(かんしん)が高(たか)まりました。

Interest in the election increased due to the election commercials. {to rise, to swell, to be promoted}

需要(じゅよう)が高(たか)まっている商品(しょうひん)を大量(たいりょう)に生産(せいさん)しよう！

Let's produce a large amount of products that are in rising demand! {to rise, to swell, to be promoted}

ずっと一緒(いっしょ)にいたら同情(どうじょう)や愛情(あいじょう)が高(たか)まるというのもあり得(う)る話(はなし)だ。

It is also possible that sympathy and affection could grow if we stay together all the time. {to rise, to swell, to be promoted}

社員(しゃいん)：「せめてボーナスが増(ふ)えれば、社員(しゃいん)全体(ぜんたい)の士気(しき)も高(たか)まるんだけどなぁ…。」

Employee: 'If only the bonus would increase, it would boost the morale of all the employees...' {to rise, to swell, to be promoted}