ruminate

1 ENTRIES FOUND:
ruminate /ˈruːməˌneɪt/ verb
ruminates; ruminated; ruminating
ruminate
/ˈruːməˌneɪt/
verb
ruminates; ruminated; ruminating
Britannica Dictionary definition of RUMINATE
[no object]
1 
formal : to think carefully and deeply about something
2 
technical, of an animal : to bring up and chew again what has already been chewed and swallowed

— rumination

/ˌruːməˈneɪʃən/ noun, plural ruminations