Satisfier

sat·is·fy  (sts-f)

v. sat·is·fied, sat·is·fy·ing, sat·is·fies

v.tr.

1. To gratify the need, desire, or expectation of.

2. To fulfill (a need or desire).

3.

a. To free from doubt or question; assure.

b. To get rid of (a doubt or question); dispel.

4.

a. To discharge (a debt or obligation, for example) in full.

b. To discharge an obligation to (a creditor).

5. To conform to the requirements of (a standard or rule); be sufficient to (an end).

6. To make reparation for; redress.

7. Mathematics To make the left and right sides of an equation equal after substituting equivalent quantities for the unknown variables in the equation.

v.intr.

1. To be sufficient or adequate.

2. To give satisfaction.

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[Middle English satisfien, from Old French satisfier, from Latin satisfacere : satis, sufficient; see s- in Indo-European roots + facere, to make; see dh- in Indo-European roots.]

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satis·fier n.

satis·fying·ly adv.

Synonyms: satisfy, answer, fill, fulfill, meet¹
These verbs mean to supply fully or completely: satisfied all requirements; answered our needs; fills a purpose; fulfilled their aspirations; met her obligations.

Thesaurus

Noun

1.

satisfier - any agent capable of producing satisfaction agent - an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents"