-acious

(Latin: suffix; forming adjectives; inclined to, given to, tendency to be, abounding in)

alliacious
audacious (adjective)
1. Bold, daring, or fearless; especially, in challenging certain assumptions or conventions: "The soldier was an audacious warrior when he fought the enemy in order to save his fellow soldiers."
2. Extremely bold or daring; recklessly brave; fearless: "Her father was an audacious explorer in the Canadian north."
3. Extremely original; without restriction to prior ideas; highly inventive: "The mayoral candidate had an audacious vision of the city's bright future."
4. Recklessly bold in defiance of convention, propriety, law, etc.: "Her audacious behavior during the demonstration resulted in her arrest by the police."
5. Lively; unrestrained; uninhibited: "The actress had an audacious interpretation of her role in the drama."
6. Showing an impudent lack of respect: "The student made an audacious remark to the teacher when he was told to quit talking."
7. Etymology: Formed from Latin audac-, the stem of audax, "bold", from audere, "to dare", from avidus, "eagerness" or "greed for something".
capacious
Able to hold much; roomy, spacious, wide.
ceracious
difficacious
efficacious
Capable of producing a desirable effect; effective.
extrafoliacious
fallacious (adjective)
1. Containing fundamental errors in reasoning: "He presented fallacious reasons for firing the woman."
2. Misleading and deceptive; based on false information or ideas: "The testimony provided by the witness was based on fallacious assumptions."
fugacious
fumacious
Smoking; hence, fond of smoking; addicted to smoking.
gracious (adjective)
Characterized by charm, good taste, courtesy, and generosity of spirit: "She send a gracious note of thanks to her aunt for the birthday present."
inveracious
linguacious
Talkative, loquaciouis.
loquacious
Extremely talkative, gabby.
Blessed is the man who having nothing to say, abstains from giving us wordy evidence of the fact.
—George Eliot
loquaciousness
Excessive talking; talkative; chattering, babbling.