verb (used with object), -sumed, -sum⋅ing.| 1. | to take for granted or without proof; suppose; postulate; posit: to assume that everyone wants peace. |
| 2. | to take upon oneself; undertake: to assume an obligation. |
| 3. | to take over the duties or responsibilities of: to assume the office of treasurer. |
| 4. | to take on (a particular character, quality, mode of life, etc.); adopt: He assumed the style of an aggressive go-getter. |
| 5. | to take on; be invested or endowed with: The situation assumed a threatening character. |
| 6. | to pretend to have or be; feign: to assume a humble manner. |
| 7. | to appropriate or arrogate; seize; usurp: to assume a right to oneself; to assume control. |
| 8. | to take upon oneself (the debts or obligations of another). |
| 9. | Archaic. to take into relation or association; adopt. |
| 10. | to take something for granted; presume. |
as·sume (ə-sōōm') tr.v. as·sumed, as·sum·ing, as·sumes
[Middle English assumen, from Latin assūmere : ad-, ad- + sūmere, to take; see em- in Indo-European roots.] as·sum'a·bil'i·ty n., as·sum'a·ble adj., as·sum'a·bly adv., as·sum'er n. |