To Stand, To Stand Up, To Rise
intransitive verb, godan verb
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means "stand" so what is the verb version of that? It's to stand.
たつ
You have to remember the た portion of this word to learn the reading of it. Think of it this way: You have to stand up in order to wave goodbye to someone. When you stand up, you also say ta-ta (た)!
ソファから立つのが下手なんです。
I'm not very good at getting up off the sofa.
それでは、立って下さい。
Please stand up.
デスクワークばっかりだと立つのがしんどい。
It's hard to stand up when all you do is desk work.