conjugation

1a :  a schematic arrangement of the inflectional forms of a verbb :  verb inflectionc :  a class of verbs having the same type of inflectional forms the weak conjugationd :  a set of the simple or derivative inflectional forms of a verb especially in Sanskrit or the Semitic languages the causative conjugation

2 :  the act of conjugating :  the state of being conjugated

3a :  fusion of usually similar gametes with ultimate union of their nuclei and sexual reproduction that occurs in most fungi and in some algae (such as green algae)b :  temporary cytoplasmic union with exchange of nuclear material that is the usual sexual process in ciliated protozoansc :  the one-way transfer of DNA between bacteria in cellular contact