[もよう, moyou] (n) (1) pattern; figure; design; (2) state; condition; (3) conjecture of the current situation; the way it seems; (4) model; pattern; example; (5) (after a noun) indicates that that noun seems likely (e.g. rain or storm); (P) #3073
[よそう, yosou] (n, vs, adj-no) expectation; anticipation; prediction; forecast; conjecture; (P) #3621
[すいそく, suisoku] (n, vs, adj-no) guess; conjecture; (P) #3945
[すいさつ, suisatsu] (n, vs) guess; conjecture; surmise #14648
[ということだ, toiukotoda] (exp) (1) (indicates hearsay) I've heard that ...; rumour has it that ...; (2) (expresses conjecture about another person's feelings or mindset) it appears as if ...
[mashou ; masho (ik); mahyo (ik)] (exp) (1) (pol) (ましょ is a colloquialism in standard Japanese; まひょ is a colloquialism in Kansai dialect) (See ます) (used to express the speaker's volition) I'll; (2) (used to make an invitation, request, etc.) let's; (3) (See でしょう) (used to express a conjecture) probably
[おくせつ, okusetsu] (n) hypothesis; speculation; surmise; conjecture
[おくだん, okudan] (n, vs) jumping to hasty conclusions; conjecture
[おっけん, okken] (n) conjecture
[はかる, hakaru] (v5r, vt) (1) to measure; to weigh; to survey; to time (sound, gauge, estimate); (2) to conjecture; to infer; to surmise; (P)
[さっし, sasshi] (n) consideration; guess; conjecture; judgment; judgement
[しぎ, shigi] (n, vs) conjecture; guess
[おして, oshite] (exp) by conjecture (deduction)
[おしはかる, oshihakaru] (v5r, vt) to guess; to conjecture; to surmise
[すいち, suichi] (n, vs) a conjecture
[そうさつ, sousatsu] (n, vs) (obsc) surmisal; hypothesis; speculation; conjecture; supposition
[あてずっぽう, atezuppou] (n) (See 当て推量) conjecture; guesswork; at random
[あてずいりょう, atezuiryou] (n) (See 当てずっぽう) conjecture; guesswork; at random
[びゅうもう, byuumou] (n) (1) fallacy; conjecture; (2) baseless thing; random thing
[よさつ, yosatsu] (n, vs) (obsc) guessing beforehand; conjecture in advance
[そんたく, sontaku] (n, vs) surmise (about somebody's feelings); guess; conjecture
[しまおくそく, shimaokusoku] (n, vs) conjectures and surmises; speculation; giving one's imagination full play without any ground