Source : Webster's Revised Unabridged Dictionary (1913)

Honest \Hon"est\, v. t. [L. honestare to clothe or adorn with
   honor: cf. F. honester. See {Honest}, a.]
   To adorn; to grace; to honor; to make becoming, appropriate,
   or honorable. [Obs.] --Abp. Sandys.

Honest \Hon"est\, a. [OE. honest, onest, OF. honeste, oneste, F.
   honn[^e]te, L. honestus, fr. honos, honor, honor. See
   {Honor}.]
   1. Decent; honorable; suitable; becoming. --Chaucer.

            Belong what honest clothes you send forth to
            bleaching!                            --Shak.

   2. Characterized by integrity or fairness and
      straight?forwardness in conduct, thought, speech, etc.;
      upright; just; equitable; trustworthy; truthful; sincere;
      free from fraud, guile, or duplicity; not false; -- said
      of persons and acts, and of things to which a moral
      quality is imputed; as, an honest judge or merchant; an
      honest statement; an honest bargain; an honest business;
      an honest book; an honest confession.

            An honest man's the noblest work of God. --Pope.

            An honest physician leaves his patient when he can
            contribute no farther to his health.  --Sir W.
                                                  Temple.

            Look ye out among you seven men of honest report.
                                                  --Acts vi. 3.

            Provide things honest in the sight of all men.
                                                  --Rom. xii.
                                                  17.

   3. Open; frank; as, an honest countenance.

   4. Chaste; faithful; virtuous.

            Wives may be merry, and yet honest too. --Shak.

   Syn: Upright; ingenuous; honorable; trusty; faithful;
        equitable; fair; just; rightful; sincere; frank; candid;
        genuine.

Source : WordNet®

honest
     adj 1: not disposed to cheat or defraud; not deceptive or
            fraudulent; "honest lawyers"; "honest reporting"; "an
            honest wage"; "honest weight" [syn: {honorable}] [ant:
             {dishonest}]
     2: without dissimulation; frank; "my honest opinion"
     3: worthy of being depended on; "a dependable worker"; "an
        honest working stiff"; "a reliable source of information";
        "he was true to his word"; "I would be true for there are
        those who trust me" [syn: {dependable}, {reliable}, {true(p)}]
     4: free from guile; "his answer was simple and honest" [syn: {guileless}]
     5: without pretensions; "worked at an honest trade"; "good
        honest food"
     6: habitually speaking the truth; "an honest man"; "a veracious
        witness" [syn: {veracious}]
     7: marked by truth; "gave honest answers"