অর্থ : Rest on for support.
							উদাহরণ : 
							You can lean on me if you get tired.
							
সমার্থক : lean against, lean on
অর্থ : Be based on. Of theories and claims, for example.
							উদাহরণ : 
							What's this new evidence based on?.
							
সমার্থক : build on, build upon, repose on