Suggester

sug·gest  (sg-jst, s-jst)

tr.v. sug·gest·ed, sug·gest·ing, sug·gests

1. To offer for consideration or action; propose: suggest things for children to do; suggested that we take a walk.

2. To bring or call to mind by logic or association; evoke: a cloud that suggests a mushroom; a ringlike symbol suggesting unity.

3. To make evident indirectly; intimate or imply: a silence that suggested disapproval.

4. To serve as or provide a motive for; prompt or demand: Such a crime suggests apt punishment.

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[Latin suggerere, suggest- : sub-, up; see sub- + gerere, to carry.]

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sug·gester n.

Synonyms: suggest, imply, hint, intimate², insinuate
These verbs mean to convey thoughts or ideas by indirection. Suggest refers to the calling of something to mind as the result of an association of ideas: "his erect and careless attitude suggesting assurance and power" Joseph Conrad.
To imply is to suggest a thought or an idea by letting it be inferred from something else, such as a statement, that is more explicit: The effusive praise the professor heaped on one of the students seemed to imply disapproval of the rest.
Hint refers to an oblique or covert suggestion that often contains clues: My imagination supplied the explanation you only hinted at.
Intimate applies to indirect, subtle expression that often reflects discretion, tact, or reserve: She intimated that her neighbors were having marital problems.
To insinuate is to suggest something, usually something unpleasant, in a covert, sly, and underhanded manner: The columnist insinuated that the candidate raised money unethically.

Thesaurus

Noun

1.

suggester - someone who advances a suggestion or proposal; "the suggester of this absurd strategy was a fool" proposer conceiver, mastermind, originator - someone who creates new things