having existed from the beginning; in an earliest or original stage or state; "aboriginal forests"; "primal eras before the appearance of life on earth"; "the forest primeval"; "primordial matter"; "primordial forms of life"
of or pertaining to members of the indigenous people of Australia; "an Aboriginal rite"
having a cheerful, lively, and self-confident air; "looking chipper, like a man...diverted by his own wit"- Frances G. Patton; "life that is gay, brisk, and debonair"- H.M.Reynolds; "walked with a jaunty step"; "a jaunty optimist"
showing a cheerful willingness to do favors for others; "to close one's eyes like a complaisant husband whose wife has taken a lover"; "the obliging waiter was in no hurry for us to leave"
having substance or capable of being treated as fact; not imaginary; "the substantial world"; "a mere dream, neither substantial nor practical"; "most ponderous and substantial things"- Shakespeare
having a firm basis in reality and being therefore important, meaningful, or considerable; "substantial equivalents"