Synonym: plenteousness, plentifulness, plentitude, plenty. Similar words: magnitude, absolute magnitude, attitude, aptitude, altitude, latitude, solitude, fortitude. Meaning: ['plenɪtuːd /-tjuːd] 
n. a full supply.
n. a full supply. 31. It make our grounds of argument more plenitude, and make our fruit of research more valuable to practice.
More similar words: magnitude, absolute magnitude, attitude, aptitude, altitude, latitude, solitude, fortitude, certitude, beatitude, servitude, turpitude, multitude, rectitude, amplitude, lassitude, gratitude, longitude, platitude, similitude, solicitude, ingratitude, pulchritude, vicissitude, aptitude test, verisimilitude, replenish, primogeniture, plenipotentiary, student.