elucubrar - to reflect on, to meditate on, to theorize aboutSpanish example: Esa noche, en medio del campo y mientras completaban su café, John elucubraba sobre sus oportunidades
English example: That night, in the middle of the field while he was finishing his coffee, John reflected on his opportunities.
Source:
elucubrar - to reflect on, to meditate on, to theorize about