nidfS Caus. 1 To show, point out; R. 6. 31. 2 To prove, establish, demonstrate. 3 To consider, treat of, discuss (as in a book). 4 To teach, explain. 5 To illustrate by an example; cf. nidarSanA . 6 To introduce, cause to enter. ( pb ) 7 To show oneself to (a person.)