more often than not, substantially, enormously, principally, monstrously, primarily, basically, utterly, colossally, lavishly, altogether, predominantly, big-time, by and large, abundantly, centrally, much, considerably, stupendously, for the most part, overall, mostly, staggeringly, astronomically, monumentally, generally, in the main, chiefly, vastly, tremendously, mainly
largely (part of speech: adverb)
gigantically, amply, grandly, massively, majestically, magnificently, copiously, loftily, princely, comprehensively, capaciously, grandiosely, spaciously, generously, toweringly, hugely, sizably, voluminously, expansively, extensively, greatly, impressively
sizably (part of speech: adverb)
- It made Marie very happy to think that she had taken an interest in Pierre, and that his return to health was largely her own work. - "Paris From the "Three Cities"", Emile Zola.
- We have largely forgotten since. - "Men, Women, and Boats", Stephen Crane.
- The observations in the text apply largely to the settled Hindoo villages, as well as to the forest tribes. - "Rambles and Recollections of an Indian Official", William Sleeman.