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splendid; fine; handsome; elegant; imposing; prominent; impressive
praiseworthy; creditable; worthy
legal; legitimate; lawful
undeniable (e.g. crime); indisputable; solid
立派なお屋敷に驚いた。
I was amazed by the splendid mansion.
彼は立派に成長したと思う。
I think he has grown up splendidly.
こんなに立派な庭を見たのは初めてだよ。
This is the first time I've seen such a splendid garden.