Dictionary Definition :
Definition[1]
:
The three esoteric kinds of siddhi, i.e. complete attainment, supreme felicity. They are 上 superior, to be born in the 密嚴國 Vairocana Pure-land; 中 in one of the other Pure-lands among which is the Western Paradise; and 下 in the 修羅宮 Sun Palaces among the devas. Also styled 三品成就.
Source
:
A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous
Definition[2]
:
謂密教行者之悉地有上、中、下三品。悉地,梵語 siddhi,意譯成就,謂三密之行業相應而成就妙果。三品悉地中,上品悉地往生普門大日之密嚴國土;中品悉地往生十方之淨土,西方之極樂亦在其中;下品悉地往生諸天修羅宮。〔真言廣名目卷六〕
Source
:
佛光電子大辭典
Page
:
p579
Definition[3]
:
(名數)悉地譯言成就。言三密之行業相應而成就妙果也。有三品而各異生處:一上品悉地,生於密嚴國土。二中品悉地,生於十方之淨土。西方之極樂亦在此中。三下品悉地,生於諸天修羅宮等。見真言廣名目六。
Source
:
丁福保《佛學大辭典》