1guess
Pronunciation:
\ˈges\
Function:
verb
Etymology:
Middle English gessen, perhaps of Scandinavian origin; akin to Norwegian & Swedish gissa to guess, Middle Dutch gissen, gessen, Old Norse geta to get, guess — more at get
Date:
14th century
transitive verb 1 : to form an opinion of from little or no evidence 2 : believe , suppose <I guess you're right> 3 : to arrive at a correct conclusion about by conjecture, chance, or intuition <guess the answer> intransitive verb : to make a guess

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1es·ti·mate [/align]Pronunciation:
\ˈes-tə-ˌmāt\
Function:
transitive verb
Inflected Form(s):
es·ti·mat·ed; es·ti·mat·ing
Etymology:
Latin aestimatus, past participle of aestimare to value, estimate
Date:
circa 1532
1archaic a: esteem b: appraise2 a: to judge tentatively or approximately the value, worth, or significance of b: to determine roughly the size, extent, or nature of c: to produce a statement of the approximate cost of3: judge , conclude[/align]— es·ti·ma·tive \-ˌmā-tiv\ adjective [/align]synonyms estimate , appraise , evaluate , value , rate , assess mean to judge something with respect to its worth or significance. estimate implies a judgment, considered or casual, that precedes or takes the place of actual measuring or counting or testing out <estimated the crowd at two hundred>. appraise commonly implies the fixing by an expert of the monetary worth of a thing, but it may be used of any critical judgment <having their house appraised>. evaluate suggests an attempt to determine relative or intrinsic worth in terms other than monetary <evaluate a student's work>. value equals appraise but without implying expertness of judgment <a watercolor valued by the donor at $500>. rate adds to estimate the notion of placing a thing according to a scale of values <a highly rated restaurant>. assess implies a critical appraisal for the purpose of understanding or interpreting, or as a guide in taking action <officials are trying to assess the damage>.[/align]
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