1. (v.t.)assume to take for granted or without proof; suppose; postulate; posit.
2. assume to take upon oneself; undertake or accept: to assume responsibility.
3. assume to take over the duties or responsibilities of: to assume the office of treasurer.
4. assume to adopt (a particular character, quality, mode of life, etc.): to assume the role of patron of the arts.
5. assume to take on; become endowed with: The situation assumed a threatening character.
6. assume to pretend to have or be; feign: to assume a humble manner.
7. assume to seize; usurp: to assume control.
8. assume to take upon oneself (the debts or obligations of another).
9. (v.i.)assume to take something for granted; presume.
Etymology: (1400–50; late ME (< AF assumer) < L assūmere to take up, adopt =as-as - +sūmere to pick up; see consume)
Definition of 'assume'
Princeton's WordNet
1. (verb)assume, presume, take for granted take to be the case or to be true; accept without verification or proof "I assume his train was late"
2. (verb)assume, adopt, take on, take over take on titles, offices, duties, responsibilities "When will the new President assume office?"
3. (verb)assume, acquire, adopt, take on, take take on a certain form, attribute, or aspect "His voice took on a sad tone"; "The story took a new turn"; "he adopted an air of superiority"; "She assumed strange manners"; "The gods assume human or animal form in these fables"
4. (verb)bear, take over, accept, assume take on as one's own the expenses or debts of another person "I'll accept the charges"; "She agreed to bear the responsibility"
5. (verb)assume, take, strike, take up occupy or take on "He assumes the lotus position"; "She took her seat on the stage"; "We took our seats in the orchestra"; "She took up her position behind the tree"; "strike a pose"
6. (verb)assume, usurp, seize, take over, arrogate seize and take control without authority and possibly with force; take as one's right or possession "He assumed to himself the right to fill all positions in the town"; "he usurped my rights"; "She seized control of the throne after her husband died"
7. (verb)simulate, assume, sham, feign make a pretence of "She assumed indifference, even though she was seething with anger"; "he feigned sleep"
8. (verb)assume take up someone's soul into heaven "This is the day when May was assumed into heaven"
9. (verb)wear, put on, get into, don, assume put clothing on one's body "What should I wear today?"; "He put on his best suit for the wedding"; "The princess donned a long blue dress"; "The queen assumed the stately robes"; "He got into his jeans"
Definitions of assume 
Afrikaans: aanneem
Arabic: يَفْتَرِض
Bulgarian: предполагам
Brazilian: supor
Czech: předpokládat
German: annehmen
Danish: antage; formode; gå ud fr
Greek: υποθέτω, συμπεραίνω
Spanish: suponer
Estonian: oletama
Farsi: فرض کردن؛ پنداشتن
Finnish: olettaa
French: supposer
Hebrew: לְהַנִיח
Hindi: मान लेना
Croatian: pretpostaviti
Hungarian: feltételez
Indonesian: menganggap
Icelandic: telja víst
Italian: supporre, ritenere
Japanese: 仮定する
Korean: 당연한 일로 생각하다
Lithuanian: manyti
Latvian: pieņemt; uzskatīt
Malay: anggap
Dutch: aannemen
Norwegian: anta, gå ut fra
Polish: zakładać
Persian: فرض کردن؛ پنداشتن
Pashto: فرض کول
Portuguese: supor
Romanian: a presupune
Russian: допускать
Slovak: predpokladať
Slovenian: domnevati
Serbian: pretpostaviti
Swedish: anta, förmoda
Thai: ทึกทักเอา
Turkish: varsaymak, ...olduğunu dü
Taiwanese: 假定
Ukrainian: вважати, припускати
Urdu: فرض کرنا
Vietnamese: giả thiết rằng
Chinese: 假定
