Synonyms of the word

imaginable

• adj. Able to be imagined; conceivable.

conceivable

• adj. Capable of being conceived or imagined; possible; credible; thinkable.

possible

• adj. (usually not comparable) Able but not certain to happen; neither inevitable nor impossible.
• adj. (comparable) Capable of being done or achieved; feasible.
• adj. Being considered, e.g. for a position.
• adj. Apparently valid, likely, plausible.
• n. A possible one.
• n. (colloquial, rare) A possible choice, notably someone being considered for a position.
• n. (rare) A particular event that may happen.

thinkable

• adj. Able to be thought or imagined; conceivable; feasible or possible.
• adj. Morally acceptable or legal (rare).