Senses
固然 admittedly
Used to acknowledge a fact before introducing a contrast, often followed by 但 , 但是 , or 不过 ; admittedly; granted that
固然 originally
(literary) originally like this; inherent; natural.
固然 no doubt
Used to acknowledge a fact while also acknowledging another complementary fact, without a shift in meaning; of course; naturally
固然 natural state
(literary) the original state or structure of things; inherent nature