Synonyms for Portion (same or very similar meaning)
WordNet sense 1 (your overall circumstances or condition in life (including everything that happens to you)):
circumstances, destiny, fate, fortune, lot, luck
WordNet sense 2 (something determined in relation to something that includes it):
component, part, component part
WordNet sense 3 (assets belonging to or due to or contributed by an individual person or group):
percentage, share
WordNet sense 4 (money or property brought by a woman to her husband at marriage):
dower, dowry, dowery
WordNet sense 5 (an individual quantity of food or drink taken as part of a meal):
helping, serving
WordNet sense 6 (give out or allot):
allot, assign
WordNet sense 7 (the allotment of some amount by dividing something):
parcel
From the ODE community, based on WordNet
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