1.  commitment(n = noun.attribute) committedness - the trait of sincere and steadfast fixity of purpose; "a man of energy and commitment"
is a kind of earnestness, serious-mindedness, seriousness, sincerity
has particulars: investment

2.  commitment(n = noun.act) allegiance, dedication, loyalty - the act of binding yourself (intellectually or emotionally) to a course of action; "his long commitment to public service"; "they felt no loyalty to a losing team"
is a kind of cooperation
has particulars: communalism, consecration, devotion, enlistment, faith
Derived form verb commit₂

3.  commitment(n = noun.act) - an engagement by contract involving financial obligation; "his business commitments took him to London"
is a kind of engagement, involution, involvement, participation
has particulars: incurrence
Derived form verb commit₅

4.  commitment(n = noun.communication) dedication - a message that makes a pledge;
is a kind of content, message, subject matter, substance
has particulars: oath, swearing, affirmation, promise, assurance, pledge

5.  commitment(n = noun.act) committal, consignment - the official act of consigning a person to confinement (as in a prison or mental hospital);
is a kind of confinement
Derived form verb commit₃

1.  The act of committing, or putting in charge, keeping, or trust; consignment; esp., the act of committing to prison. [1913 Webster]
"They were glad to compound for his bare commitment to the Tower, whence he was within few days enlarged." [1913 Webster]

2.  A warrant or order for the imprisonment of a person; -- more frequently termed a mittimus. [1913 Webster]

3.  The act of referring or intrusting to a committee for consideration and report; as, the commitment of a petition or a bill. [1913 Webster]

4.  A doing, or perpetration, in a bad sense, as of a crime or blunder; commission. [1913 Webster]

5.  The act of pledging or engaging; the act of exposing, endangering, or compromising; also, the state of being pledged or engaged. Hamilton. [1913 Webster]

commitment, n.
1 an engagement or (esp. financial) obligation that restricts freedom of action.
2 the process or an instance of committing oneself; a pledge or undertaking.