know

[1]	understand , comprehend , be familiar with , grasp , be acquainted with , be versed/skilled in
[2]	recognize , cognize , cognise , identify , recall , remember , recollect
[3]	be sure/certain/positive
[4]	distinguish , separate , discern , differentiate , recognize , identify
[5]	be aware/conscious/cognizant of , be informed/advised of , have knowledge of
[6]	experience , live
[7]	acknowledge , recognize , recognise
[8]	sleep together , roll in the hay , love , make out , make love , sleep with , get laid , have sex , do it , be intimate , have intercourse , have it away , have it off , screw , fuck , jazz , eff , hump , lie with , bed , have a go at it , bang , get it on , bonk