Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class VI. Words Relating to the Sentient and Moral Powers
Section III. Sympathetic Affections
1. Social Affections

888. Friendship.

   NOUN:FRIENDSHIP, amity; friendliness &c. adj.; brotherhood, fraternity, sodality, confraternity; sorority, sorosis, sisterhood; harmony (concord) [See Concord]; peace [See Peace].
  firm -, staunch -, intimate -, familiar -, bosom -, cordial -, tried -, devoted -, lasting -, fast -, sincere -, warm -, ardent- friendship.
  cordiality, fraternization, association, entente cordiale [F.], good understanding, rapprochement [F.], sympathy, fellow-feeling, response, welcomeness; affection (love) [See Love]; partiality, favoritism; good will (benevolence) [See Benevolence].
  acquaintance, introduction, familiarity, intimacy, intercourse, fellowship, knowledge of.
   VERB:BE FRIENDLY &c. adj.; be friends [See Friend], be acquainted with &c. adj.; know; have the ear of; keep company with (sociality) [See Sociality]; hold communication with, have dealings with, sympathize with; have a leaning to; bear good will (benevolent) [See Benevolence]; love [See Love]; make much of; befriend (aid) [See Aid]; introduce to.
  set one’s horses together; have the latchstring out [U. S.]; hold out -, extend- the right hand of -friendship, – fellowship; become friendly &c. adj.; make friends &c. (890) with; break the ice, be introduced to; pick up acquaintance; make -, scrape- acquaintance with; get into favor, gain the friendship of.
  shake hands with, strike hands with, fraternize, sororize [rare], embrace; receive with open arms, throw oneself into the arms of; meet halfway, take in good part.
   ADJECTIVE:FRIENDLY, amicable, amical; well-affected, unhostile, neighborly; brotherly, fraternal, sisterly, sororal [rare]; ardent, devoted, sympathetic, harmonious, hearty, cordial, warm-hearted.
  friends with, at home with, hand in hand with; on -good, – friendly, – amicable, – cordial, – familiar, – intimate- -terms, – footing; on speaking terms, on visiting terms, on one’s visiting list; in one’s good -graces, – books.
  acquainted, familiar, intimate, thick, hand and glove, hail fellow well met, free and easy; welcome.
   ADVERB:AMICABLY &c. adj.; with open arms, à bras ouverts [F.]; sans cérémonie [F.]; arm in arm.
  1. Amicitia semper prodest.—Seneca
  2. A mystic bond of brotherhood makes all men one.—Carlyle
  3. Friendship is love without either flowers or veil.—Hare
  4. Vulgus amicitias utilitate probat.—Ovid