dr, abbr.
1 Doctor.
2 Drive.
3 debtor.

N  scholar, connoisseur, savant, pundit, schoolman, professor, graduate, wrangler, academician, academist, master of arts, doctor, licentitate, gownsman, philosopher, master of math, scientist, clerk, sophist, sophister, linguist, glossolinguist, philologist, philologer, lexicographer, glossographer, grammarian, litterateur, literati, dilettanti, illuminati, cogniscenti, fellow, Hebraist, lexicologist, mullah, munshi, Sanskritish, sinologist, sinologue, Mezzofanti, admirable Crichton, Mecaenas, bookworm, helluo librorum, bibliophile, bibliomaniac, bluestocking, bas-bleu, bigwig, learned Theban, don, Artium Baccalaureus, Artium Magister, learned man, literary man, homo multarum literarum, man of learning, man of letters, man of education, man of genius, antiquarian, antiquary, archaeologist, sage, pedant, doctrinaire, pedagogue, Dr, Pangloss, pantologist, criminologist, schoolboy, learned, brought up at the feet of Gamaliel, he was a scholar and a ripe and good one, the manifold linguist.

1.  johnson(n = noun.person) dr. johnson, samuel johnson - English writer and lexicographer (1709-1784);
is a kind of lexicographer, lexicologist, author, writer

2.  johnson(n = noun.person) lbj, lyndon baines johnson, lyndon johnson, president johnson, president lyndon johnson - 36th President of the United States; was elected vice president and succeeded Kennedy when Kennedy was assassinated (1908-1973);
is a kind of chief executive, president, president of the united states, united states president

3.  johnson(n = noun.person) andrew johnson, president andrew johnson, president johnson - 17th President of the United States; was elected vice president and succeeded Lincoln when Lincoln was assassinated; was impeached but acquitted by one vote (1808-1875);
is a kind of chief executive, president, president of the united states, united states president

andrew johnson, dr. johnson, johnson city, johnson grass, lyndon baines johnson, lyndon johnson, president andrew johnson, president johnson, president lyndon johnson, ralph johnson bunche, samuel johnson