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v.
express recognition of the presence or existence of, or acquaintance with; "He never acknowledges his colleagues when they run into him in the hallway"; "She acknowledged his complement with a smile"; "it is important to acknowledge the work of others in one's own writing"
n.
an ability to understand the meaning or importance of something (or the knowledge acquired as a result); "how you can do that is beyond my comprehension"; "he was famous for his comprehension of American literature"
n.
having knowledge of; "he had no awareness of his mistakes"; "his sudden consciousness of the problem he faced"; "their intelligence and general knowingness was impressive"
v.
be in accord; be in agreement; "We agreed on the terms of the settlement"; "I can't agree with you!"; "I hold with those who say life is sacred"; "Both philosophers concord on this point"
v.
consent to, give permission; "She permitted her son to visit her estranged husband"; "I won't let the police search her basement"; "I cannot allow you to see your exam"
v.
expect, believe, or suppose; "I imagine she earned a lot of money with her new novel"; "I thought to find her in a bad state"; "he didn't think to find her in the kitchen"; "I guess she is angry at me for standing her up"