Synonyms for Support (same or very similar meaning)
WordNet sense 1 (financial resources provided to make some project possible):
backing, funding, financial backing, financial support
WordNet sense 2 (the financial means whereby one lives):
keep, livelihood, living, sustenance
WordNet sense 3 (a subordinate musical part; provides background for more important parts):
accompaniment, backup, musical accompaniment
WordNet sense 4 (support with evidence or authority or make more certain or confirm):
corroborate, underpin, bear out
WordNet sense 5 (give moral or psychological support, aid, or courage to):
back up
WordNet sense 6 (be behind; approve of):
back, endorse, indorse, plump for, plunk for
WordNet sense 7 (be the physical support of; carry the weight of):
hold, sustain, hold up
WordNet sense 8 (the act of bearing the weight of or strengthening):
supporting
WordNet sense 9 (a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission):
reinforcement, reenforcement
WordNet sense 10 (be a regular customer or client of):
patronage, patronize, patronise, keep going
WordNet sense 11 (argue or speak in defense of):
defend, fend for
WordNet sense 12 (adopt as a belief):
subscribe
WordNet sense 13 (put up with something or somebody unpleasant):
abide, bear, brook, digest, endure, stand, stomach, suffer, tolerate, digest, put up, stick out
WordNet sense 14 (establish or strengthen as with new evidence or facts):
affirm, confirm, substantiate
WordNet sense 15 (documentary validation):
documentation
From the ODE community, based on WordNet
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