立(た)てるto stand up, to put up, to set up, to erect, to raise, to thrust into, to bury into, to dig into, to make (a noise), to start (a rumour), to raise (a cloud of dust, etc.), to cause, to make, to establish, to set up, to develop, to formulate, to put up (a political candidate), to make (one's leader), to treat with respect, to give (someone) their due, to make (someone) look good, to avoid embarrassing (someone), to sharpen, to make clear, to shut, to close, to make tea (matcha), to perform the tea ceremony, to divide by, to do ... vigorously

親指(おやゆび)を立(た)てて同意(どうい)を示(しめ)す。

To show agreement by giving a thumbs up.

母(はは)が娘(むすめ)に：「やかんが湯気(ゆげ)を立(た)てたら教(おし)えてね！」

Mother to her daughter: 'Let me know when the kettle boils!'

父(ちち)が息子(むすこ)に：「そんな小(ちい)さな目標(もくひょう)じゃなくて、もっと大(おお)きなものを立(た)てなさい！」

Father to his son: 'Don't set such a small goal, set something bigger!'

お客(きゃく)さんの目(め)に付(つ)きやすいように、もっと大(おお)きな看板(かんばん)を立(た)てたらどうだろうか…。

How about putting up a bigger sign so that customers can easily see it...?

昔(むかし)はテレビの映像(えいぞう)をクッキリ見(み)るために屋上(おくじょう)にアンテナを立(た)てる必要(ひつよう)があったらしい。

In the old days, it was necessary to put up an antenna on the rooftop to see TV images clearly.