transitive verb assumed -·sumed′, assuming -·sum′·ing

1. to take on or put on (the appearance, form, role, etc. of)
2. to seize; usurp to assume control
3. to take upon oneself; undertake to assume an obligation
4. to take for granted; suppose (something) to be a fact
5. to pretend to have; feign to assume an air of innocence
6. Archaic
   1. to take in or receive
   2. to take into association

Etymology: ME assumen < L assumere, to take up, claim < ad-, to + sumere, to take: see consume