Assister

as·sist  (-sst)

v. as·sist·ed, as·sist·ing, as·sists

v.tr.

To give help or support to, especially as a subordinate or supplement; aid: The clerk assisted the judge by looking up related precedents. Her breathing was assisted by a respirator.

v.intr.

1. To give aid or support. See Synonyms at help.

2. To be present, as at a conference.

n.

1. An act of giving aid; help.

2. Sports

a. A fielding and throwing of a baseball in such a way that enables a teammate to put out a runner.

b. A pass, as in basketball or ice hockey, that enables the receiver to score a goal.

c. Official credit that is given for such a pass.

3. A mechanical device providing aid.

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[Middle English assisten, from Old French assister, from Latin assistere : ad-, ad- + sistere, to stand; see st- in Indo-European roots.]

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as·sister n.