sub·mis·sion (səb-mĭshʹən)n. 1. a. The act of submitting to the power of another: “Oppression that cannot be overcome does not give rise to revolt but to submission” (Simone Weil). b. The state of having submitted. See Synonyms at surrender. 2. The state of being submissive or compliant; meekness. 3. a. The act of submitting something for consideration. b. Something so submitted: read three fiction manuscripts and other such submissions. [Middle English submissioun, from Old French submission, from Latin submissiō, submissiōn-, a lowering, from submissus, past participle of submittere, to set under. See submit.]