1. (n.) The act of impregnating or the state of being impregnated; fecundation.

2. (n.) The fusion of a female germ cell (ovum) with a male germ cell (in animals, a spermatozoon) to form a single new cell endowed with the power of developing into a new individual; fertilization; fecundation.

3. (n.) That with which anything is impregnated.

4. (n.) Intimate mixture; infusion; saturation.

5. (n.) An ore deposit, with indefinite boundaries, consisting of rock impregnated with ore.

absorption and regurgitation artificial insemination brainwashing brewing catechization conditioning conjugation cross-fertilization cross-pollination decoction dictation drench drenching ducking dunking enrichment fecundation fertilization getting with child heterogamy imbruement imbuement implantation impression inculcation indoctrination infiltration infixation infixion infusion injection inoculation insemination instillation instillment interpenetration isogamy leaching lixiviation maceration marination orthogamy penetration percolation permeation pervasion pollination pollinization pulping reindoctrination saturation seething soak soakage soaking sopping souse sousing steeping suffusion zygosis