形容詞 presumable:

1. capable of being inferred on slight grounds
   同義詞：supposable, surmisable

1. The presumable result is an election defeat.
   推測結果是競選可能會失敗。

pre.sum.a.ble

adj.（形容詞）
That can be presumed or taken for granted; reasonable as a supposition:
理所當然的：可假定的或可被認為是理所當然的；推測合理的：
例句：
presumable causes of the disaster.
災難的可能原因

【引伸】
presum.ably
adv.（副詞）