likely

acceptable expected fair feasible inclined possible prone reasonable

achievable anticipated assuring attainable believeable conceivable conjecturable credible destined disposed favorite given to imaginable in favor of in the cards in the habit of inferable liable odds-on on the verge of ostensible plausible practicable predisposed presumable promising rational seeming subject to supposable tending thinkable true up-and-coming verisimilar workable

impossible unlikely unreasonable

implausible inapt unforeseeable

presumably

assumably doubtless doubtlessly in all likelihood in all probability like as not most likely no doubt presumptively prima facie seemingly to all appearances

improbably unlikely