eductive

Mr. Sands has gone to the base of human teaching, discarding pretentious themes, in order to illustrate the simpler beauty of that eductive and inductive co-relationship which, beginning at the mother’s breast, proceeds through all the quiet processes of mental development in infancy, childhood, and maturity.—N.

There is but one word for a work so penetrating, so eductive, so clear—and that word is masterly.