obligable


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ob·li·gate

 (ŏb′lĭ-gāt′)
tr.v. ob·li·gat·ed, ob·li·gat·ing, ob·li·gates
1. To compel or constrain by a social, legal, or moral requirement. See Synonyms at force.
2. To cause to be grateful or indebted; oblige: We will always be obligated to you for your kindness.
3. To commit (money, for example) in order to fulfill an obligation.
adj. (-gĭt, -gāt′)
Able to exist or survive only in a particular environment or by assuming a particular role: an obligate parasite; an obligate anaerobe.
n. (-gĭt, -gāt′)
An obligate organism.

[Latin obligāre, obligāt-; see oblige.]

ob′li·ga·ble (-gə-bəl) adj.
ob′li·gate·ly adv.
ob′li·ga′tor n.