substantiate
v[Tn]
give facts to support (a claim, statement, etc); prove 用事实支持(某主张、 说法等); 证明; 证实
Can you substantiateyour accusations against him? 你指责他, 能提出事实根据吗?
For his lifentime's work in studying the communication of animals, including honey bees, Professor Karl von Frisch was given a Nobel Prize in 1973, which he shared with two other scientists. He died in 1982.