V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry प्रज्ञान
प्रज्ञानprajñānaa.Prudent.
Prudent.
Derived forms and compounds
-नम्
Intelligence, knowledge, wisdom.
A mark, token, sign; ध्वजो रथस्य प्रज्ञानम् Rām.2.67.3.