maintain


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maintain

i. The term as used in air traffic control terminology and as it pertains to altitude/flight level means, “Remain at the altitude/flight level, as specified.” The phrase “climb and” or “descend and” normally precedes “maintain” and the altitude assignment (e.g., “Descend and maintain 6000”).
ii. Concerning other ATC (air traffic control) instructions, the term is used in a literal sense: “Maintain VFR (visual flight rules).”
iii. A verb of maintenance.
References in classic literature ?
The old country wives, however, who are the best judges of these matters, maintain to this day that Ichabod was spirited away by supernatural means; and it is a favorite story often told about the neighborhood round the winter evening fire.
What are we to say to the men who profess the most flaming zeal for republican government, yet boldly impeach the fundamental principle of it; who pretend to be champions for the right and the capacity of the people to choose their own rulers, yet maintain that they will prefer those only who will immediately and infallibly betray the trust committed to them?
Anaevsky testifies of it that some say that it is the work of man's hands, while others maintain that it has been created by nature herself.
At the school where the reviving prosperity of his father was enabled to maintain him, young Marmaduke formed an intimacy with a youth whose years were about equal to his own.
I maintain a hundred men," said the abbe, proudly; "that is a charge, I believe.
The consciousness of being environed by such dangerous neighbors, and of being still within the range of Rose and his fellow ruffians, obliged the party to be continually on the alert, and to maintain weary vigils throughout the night, lest they should be robbed of their horses.
To conclude, there is no decaying merchant, or inward beggar, hath so many tricks to uphold the credit of their wealth, as these empty persons have, to maintain the credit of their sufficiency.
Every courtier considers himself bound to maintain his position worthily.
The etherealists maintain that there is no such thing as matter--that all is mind.
But," says he, "if by honour you mean the true natural beauty of virtue, I will maintain it may exist independent of any religion whatever.
No people could live without first valuing; if a people will maintain itself, however, it must not value as its neighbour valueth.
Those who maintain that mind is the reality and matter an evil dream are called "idealists"--a word which has a different meaning in philosophy from that which it bears in ordinary life.