1) Beyond conceiving 2) Not ponderable 1) Leavening 
• (n.) An imponderable substance or body; specifically, in the plural, a name formerly applied to heat, light, electricity, and magnetism, regarded as subtile fluids destitute of weight but in modern science little used. • (a.) Not ponderable; without sensible or appreciable weight; incapable of being weighed.Imponderable: words in the de...
Im·pon'der·a·ble adjective [ Prefix im- not + ponderable : confer French impondérable .] Not ponderable; without sensible or appreciable weight; incapable of being weighed. 
[adj] - difficult or impossible to evaluate with precision 2. [n] - a factor whose effects cannot be accurately assessed
adjective difficult or impossible to evaluate with precision; `such imponderable human factors as aesthetic sensibility`
not ponderable; that cannot be precisely determined, measured, or evaluated.